{"title":"GM Controller Adapter Modules","description":"\u003cp\u003eIf you're seeing the \"Service Trailer Brake System\" warning on your 2024-2026 GM truck while towing a Hydrastar EOH-equipped trailer, you need a Hydrastar Controller Adapter Module (CAM). This issue affects Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, Chevrolet Colorado, GMC Canyon, and GMC Hummer EV equipped with the integrated trailer brake controller.\u003c\/p\u003e\n\u003cp\u003eThe Hydrastar CAM is a plug-and-play inline solution that resolves the compatibility issue between newer GM truck integrated trailer brake controllers and electric over hydraulic (EOH) actuator systems. Installation is simple — the CAM connects between your truck's 7-way connector and the trailer's wiring harness, eliminating the warning message and restoring full trailer brake functionality.\u003c\/p\u003e\n\u003cp\u003eHydrastar offers different CAM modules for different brake configurations:\u003c\/p\u003e\n\u003cp\u003e381-7073 for Hydrastar EOH systems on Ford trucks (also resolves connectivity drops after dealer flashes)\u003cbr\u003e381-7074 for 2024-2026 GM trucks with electric over hydraulic disc or drum brake systems\u003cbr\u003e381-7075 for 2024-2026 GM trucks with electric drum brake systems\u003cbr\u003eXtra Capacity Retro Kit for upgrading older Hydrastar systems\u003c\/p\u003e\n\u003cp\u003eEach CAM module is made in the USA with weatherproof construction and proven reliability. This is not a Hydrastar product issue, it is a GM compatibility issue that Hydrastar developed a solution for, and we have helped thousands of GM truck owners get back on the road with full trailer brake functionality.\u003c\/p\u003e","products":[{"product_id":"hydrastar-controller-adapter-module-cam-381-7073","title":"Hydrastar® Controller Adapter Module (CAM){*381-7073}","description":"\u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@600;700;800\u0026amp;family=Barlow:wght@400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cdiv style=\"max-width: 100%; overflow-x: hidden; box-sizing: border-box; font-family: 'Barlow', 'Helvetica Neue', sans-serif; color: #1a1a1a; line-height: 1.7;\"\u003e\n\n\u003cp style=\"font-size: 17px; margin: 0 0 28px; color: #1a1a1a; line-height: 1.8; font-weight: 500;\"\u003eThe Hydrastar® Controller Adapter Module (CAM) bridges the gap created by certain brake controllers' technological limitations, enabling them to communicate effectively with the tow vehicle for safe and appropriate braking functionality.\u003c\/p\u003e\n\u003c!-- more --\u003e\n\u003cdiv style=\"text-align: center; padding: 28px; background: #0f2240; border-radius: 4px; margin: 0 0 20px;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; font-weight: 800; text-transform: uppercase; color: #fff; margin: 0 0 6px;\"\u003eNeed Help Choosing?\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: rgba(255,255,255,0.7); margin: 0 0 12px;\"\u003eOur team has helped thousands of trailer owners find the right setup.\u003c\/div\u003e\n\u003cdiv style=\"display: inline-flex; flex-wrap: wrap; max-width: 100%; box-sizing: border-box; align-items: center; justify-content: center; gap: 10px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 4px; padding: 12px 20px; margin: 0 0 18px;\"\u003e\n\u003csvg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" style=\"flex-shrink: 0;\"\u003e\u003cpath d=\"M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z\" stroke=\"#fff\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\u003ccircle cx=\"9\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"15\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n\u003cspan style=\"font-size: 15px; color: #fff; font-weight: 600;\"\u003eFastest response? Use the chat bubble in the bottom-right corner\u003c\/span\u003e\n\u003cspan style=\"font-size: 20px; color: #CC1F24;\"\u003e\u0026amp;searr;\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;\"\u003e\n\u003ca href=\"mailto:info@hydrastarUSA.com\" style=\"display: inline-block; padding: 10px 24px; background: #CC1F24; color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px;\"\u003eEmail Us\u003c\/a\u003e\u003ca href=\"\/pages\/contact\" style=\"display: inline-block; padding: 10px 24px; background: rgba(255,255,255,0.1); color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px; border: 1px solid rgba(255,255,255,0.3);\"\u003eContact Page\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: rgba(255,255,255,0.4); margin: 12px 0 0;\"\u003eor call \u003ca href=\"tel:8126554544\" style=\"color: rgba(255,255,255,0.4); text-decoration: none;\"\u003e(812) 655-4544\u003c\/a\u003e · Mon–Fri, 8am–4:30pm ET\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hydrastar","offers":[{"title":"Default Title","offer_id":43785259909310,"sku":"*381-7073","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/files\/381-7073_01.png?v=1750359015"},{"product_id":"2024-2025-gm-controller-adapter-module-381-7074-for-electric-over-hydraulic-system","title":"2024 - 2026 GM Controller Adapter Module [381-7074] for Electric Over Hydraulic System","description":"\u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@600;700;800\u0026amp;family=Barlow:wght@400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cdiv style=\"max-width: 100%; overflow-x: hidden; box-sizing: border-box; font-family: 'Barlow', 'Helvetica Neue', sans-serif; color: #1a1a1a; line-height: 1.7;\"\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 28px; color: #1a1a1a; line-height: 1.8; font-weight: 500;\"\u003eFixes the 2024–2026 GM “Service Trailer Brakes” dashboard warning across the full truck and SUV lineup (Silverado, Sierra, Tahoe, Suburban, Yukon, Escalade, Colorado, Canyon, Hummer EV). This plug-and-play inline diode resolves the compatibility issue between GM’s factory integrated brake controller and electric-over-hydraulic (EOH) trailers. Install takes minutes — cut the blue wire, crimp the module inline, done.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 32px;\"\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: #0f2240; border-radius: 4px; flex-wrap: wrap;\"\u003e\n\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 800; color: #fff;\"\u003e2024–26\u003c\/span\u003e\n\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.6);\"\u003eGM Trucks\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: #0f2240; border-radius: 4px; flex-wrap: wrap;\"\u003e\n\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 800; color: #fff;\"\u003ePLUG\u003c\/span\u003e\n\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.6);\"\u003e\u0026amp; Play\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 8px; padding: 10px 16px; background: #0f2240; border-radius: 4px; flex-wrap: wrap;\"\u003e\n\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 22px; font-weight: 800; color: #fff;\"\u003e2 WIRE\u003c\/span\u003e\n\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.6);\"\u003eInstall\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; gap: 8px; padding: 10px 16px; border: 1.5px solid #CC1F24; border-radius: 4px; flex-wrap: wrap;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/files\/HSTARWITHFLAGNEW_60x37.png?v=1738596475\" alt=\"American Flag\" style=\"height: 20px; width: auto;\"\u003e\n\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: #CC1F24;\"\u003eMade in the USA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- more --\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eThe Problem\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eWhy Your GM Truck Disables Trailer Brakes\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; margin: 0 0 24px; color: #444;\"\u003eGM’s 2024–2026 factory integrated brake controller sends a diagnostic signal down the blue (brake) wire. When it doesn’t get the response it expects from electric-over-hydraulic (EOH) systems, it triggers a fault — displaying “Service Trailer Brakes” on your dash and disabling braking. This module intercepts that signal and allows normal operation.\u003c\/p\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eSpecifications\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv style=\"border: 1.5px solid #ddd; border-radius: 4px; max-width: 100%; margin: 0 0 36px;\"\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; display: table; white-space: normal; overflow: visible; box-shadow: none;\"\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eCompatible Vehicles\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003e2024–2026 GM Silverado, Sierra, Denali, and other models with factory integrated brake controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eBrake System\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eElectric-Over-Hydraulic (Eoh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eInline on the blue (brake controller) wire, ~10\" from the actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003e2-wire inline diode module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eEffect on Other Vehicles\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eNone — does not affect non-GM tow vehicles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003e381-7074\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eCommon Questions\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eBefore You Buy\u003c\/h3\u003e\n\u003cdiv style=\"margin: 0 0 36px; border: 1.5px solid #ddd; border-radius: 4px; overflow: hidden;\"\u003e\n\u003cdetails style=\"border-bottom: 1px solid #eee;\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eDoes this work with non-Hydrastar actuators?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eYes. The 381-7074 is built for Hydrastar electric-over-hydraulic (EOH) systems.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border-bottom: 1px solid #eee;\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eHow do I install it?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eCut the blue wire approximately 10\" from the actuator. Crimp the module inline — wires are labeled for direction. Heat shrink the connections. Arrow on the diode points toward the actuator.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border-bottom: 1px solid #eee;\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eWill this void my GM warranty?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eNo. This module is installed on the trailer side, not the vehicle side.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eMy dealer told me about this — is this the right part?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eYes. GM dealerships are actively referring customers to Hydrastar for this fix. Part #381-7074 for electric-over-hydraulic (EOH) trailers.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f5f5; border-left: 3px solid #0f2240; border-radius: 4px; padding: 14px 20px; margin: 0 0 24px;\"\u003e\u003cp style=\"font-size: 13px; margin: 0; color: #555;\"\u003e\u003cstrong style=\"color: #0f2240;\"\u003eReference:\u003c\/strong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/files\/Compatability_Chart_11132024.pdf?v=1775522634\" style=\"color: #0f2240; text-decoration: underline;\" target=\"_blank\"\u003eVehicle Compatibility Chart (PDF)\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f5f5; border-left: 4px solid #CC1F24; border-radius: 4px; padding: 20px 24px; margin: 0 0 32px;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eFord Owners\u003c\/div\u003e\n\u003cp style=\"font-size: 14px; margin: 0 0 8px; color: #333; line-height: 1.7;\"\u003eIf you have a newer Ford and are experiencing connectivity issues before and after the flash — or when switching from electric mode to EOH mode — our part \u003cstrong\u003e#381-7073\u003c\/strong\u003e has been very successful in resolving trailer brake issues.\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; margin: 0; color: #666; line-height: 1.6;\"\u003e\u003cem\u003e*This is not a Hydrastar issue. Ford has issued a recall affecting over 4.3 million vehicles due to a software issue. Our diode module helps Ford owners resolve their trailer brake connectivity problems.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 28px; background: #0f2240; border-radius: 4px; margin: 0 0 20px;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; font-weight: 800; text-transform: uppercase; color: #fff; margin: 0 0 6px;\"\u003eNeed Help Choosing?\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: rgba(255,255,255,0.7); margin: 0 0 12px;\"\u003eOur team has helped thousands of trailer owners find the right setup.\u003c\/div\u003e\n\u003cdiv style=\"display: inline-flex; flex-wrap: wrap; max-width: 100%; box-sizing: border-box; align-items: center; justify-content: center; gap: 10px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 4px; padding: 12px 20px; margin: 0 0 18px;\"\u003e\n\u003csvg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" style=\"flex-shrink: 0;\"\u003e\u003cpath d=\"M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z\" stroke=\"#fff\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\u003ccircle cx=\"9\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"15\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n\u003cspan style=\"font-size: 15px; color: #fff; font-weight: 600;\"\u003eFastest response? Use the chat bubble in the bottom-right corner\u003c\/span\u003e\n\u003cspan style=\"font-size: 20px; color: #CC1F24;\"\u003e↘\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;\"\u003e\n\u003ca href=\"mailto:info@hydrastarUSA.com\" style=\"display: inline-block; padding: 10px 24px; background: #CC1F24; color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px;\"\u003eEmail Us\u003c\/a\u003e\u003ca href=\"\/pages\/contact\" style=\"display: inline-block; padding: 10px 24px; background: rgba(255,255,255,0.1); color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px; border: 1px solid rgba(255,255,255,0.3);\"\u003eContact Page\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: rgba(255,255,255,0.4); margin: 12px 0 0;\"\u003eor call \u003ca href=\"tel:8126554544\" style=\"color: rgba(255,255,255,0.4); text-decoration: none;\"\u003e(812) 655-4544\u003c\/a\u003e · Mon–Fri, 8am–4:30pm ET\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"Hydrastar","offers":[{"title":"Default Title","offer_id":44520812544190,"sku":"*381-7074","price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/files\/2024_-_2026_GM_CONTROLLER_ADAPTER_MODULE_381-7074_FOR_ELECTRIC_OVER_HYDRAULIC_SYSTEM__png.jpg?v=1777561455"},{"product_id":"hydrastar-xtra-capacity-retro-kit","title":"Hydrastar® Xtra capacity Retro Kit","description":"\u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@600;700;800\u0026amp;family=Barlow:wght@400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cdiv style=\"max-width: 100%; overflow-x: hidden; box-sizing: border-box; font-family: 'Barlow', 'Helvetica Neue', sans-serif; color: #1a1a1a; line-height: 1.7;\"\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 28px; color: #1a1a1a; line-height: 1.8; font-weight: 500;\"\u003eHYDRASTAR XTRA-CAPACITY - Retro Kit Largest Capacity for Enhanced Braking This industry-leading brake fluid reservoir boasts a capacity exceeding 1 quart (32 oz), ideal for larger volume applications. The increased fluid volume improves braking performance and fluid displacement.\u003c\/p\u003e\n\u003cdiv style=\"margin: 0 0 36px;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eWhat You Need to Know\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eKey Features \u0026amp; Specs\u003c\/h3\u003e\n\u003cdiv style=\"margin: 0 0 24px;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: #666; margin: 0 0 10px;\"\u003eCompliance \u0026amp; Certifications\u003c\/div\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0; text-align: left;\"\u003e\u003cli style=\"padding: 6px 0; padding-left: 22px; position: relative; font-size: 15px; line-height: 1.6;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #1a6b3c; font-weight: 700;\"\u003e✓\u003c\/span\u003eComplies with CFR-393 Federal Braking Requirements\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- more --\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eSpecifications\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eDetails\u003c\/h3\u003e\n\u003cdiv style=\"border: 1.5px solid #ddd; border-radius: 4px; max-width: 100%; margin: 0 0 36px;\"\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; display: table; white-space: normal; overflow: visible; box-shadow: none;\"\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eUnmatched Reservoir Size\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eOver 1 Quart (32oz) total reservoir capacity is the largest in the industry.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eEasy Fluid Monitoring\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eMore Fluid translates into better braking performance in larger volume applications, improves fluid displacement in larger volume applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eRegulatory Compliance\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eFully complies with CFR-393 Federal Braking Requirements, Ipsum and meets all Department of Transportation (D.O.T.) regulations for safety and legality. Translucent tank helps to quickly identify brake system problems associated with brake fluid loss.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eFluid Requirement\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eRequires the use of D.O.T. 3 or 4 Brake Fluid for optimum functionality (fluid not included).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 28px; background: #0f2240; border-radius: 4px; margin: 0 0 20px;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; font-weight: 800; text-transform: uppercase; color: #fff; margin: 0 0 6px;\"\u003eNeed Help Choosing?\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: rgba(255,255,255,0.7); margin: 0 0 12px;\"\u003eOur team has helped thousands of trailer owners find the right setup.\u003c\/div\u003e\n\u003cdiv style=\"display: inline-flex; flex-wrap: wrap; max-width: 100%; box-sizing: border-box; align-items: center; justify-content: center; gap: 10px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 4px; padding: 12px 20px; margin: 0 0 18px;\"\u003e\n\u003csvg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" style=\"flex-shrink: 0;\"\u003e\u003cpath d=\"M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z\" stroke=\"#fff\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\u003ccircle cx=\"9\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"15\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n\u003cspan style=\"font-size: 15px; color: #fff; font-weight: 600;\"\u003eFastest response? Use the chat bubble in the bottom-right corner\u003c\/span\u003e\n\u003cspan style=\"font-size: 20px; color: #CC1F24;\"\u003e↘\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;\"\u003e\n\u003ca href=\"mailto:info@hydrastarUSA.com\" style=\"display: inline-block; padding: 10px 24px; background: #CC1F24; color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px;\"\u003eEmail Us\u003c\/a\u003e\u003ca href=\"\/pages\/contact\" style=\"display: inline-block; padding: 10px 24px; background: rgba(255,255,255,0.1); color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px; border: 1px solid rgba(255,255,255,0.3);\"\u003eContact Page\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: rgba(255,255,255,0.4); margin: 12px 0 0;\"\u003eor call \u003ca href=\"tel:8126554544\" style=\"color: rgba(255,255,255,0.4); text-decoration: none;\"\u003e(812) 655-4544\u003c\/a\u003e · Mon–Fri, 8am–4:30pm ET\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hydrastar","offers":[{"title":"Default Title","offer_id":44554815013054,"sku":"*85-1020","price":114.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/files\/extendedtankkit.png?v=1725653239"},{"product_id":"2024-2025-gm-controller-adapter-module-381-7075-for-electric-drum-brakes","title":"2024 - 2026 GM Controller Adapter Module [381-7075] for Electric Drum Brakes","description":"\u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@600;700;800\u0026amp;family=Barlow:wght@400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cdiv style=\"max-width: 100%; overflow-x: hidden; box-sizing: border-box; font-family: 'Barlow', 'Helvetica Neue', sans-serif; color: #1a1a1a; line-height: 1.7;\"\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 28px; color: #1a1a1a; line-height: 1.8; font-weight: 500;\"\u003eFixes the 2024–2026 GM “Service Trailer Brakes” dashboard warning across the full truck and SUV lineup (Silverado, Sierra, Tahoe, Suburban, Yukon, Escalade, Colorado, Canyon, Hummer EV). This plug-and-play inline diode resolves the compatibility issue between GM’s factory integrated brake controller and electric drum brake trailers. Install takes minutes — cut the blue wire, crimp the module inline, done.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: #ddd; border-radius: 4px; overflow: hidden; margin: 0 0 32px;\"\u003e\n\u003cdiv style=\"background: #0f2240; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 24px; font-weight: 800; color: #fff;\"\u003e2024–26\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.6);\"\u003eGM Trucks\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f2240; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 24px; font-weight: 800; color: #fff;\"\u003ePLUG\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.6);\"\u003e\u0026amp; Play\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f2240; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 24px; font-weight: 800; color: #fff;\"\u003e7075\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.6);\"\u003ePart #\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f2240; padding: 16px 12px; text-align: center;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 24px; font-weight: 800; color: #fff;\"\u003eDOT\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.6);\"\u003eCompliant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eThe Problem\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eWhy Your GM Truck Disables Trailer Brakes\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; margin: 0 0 24px; color: #444;\"\u003eGM’s 2024–2026 factory integrated brake controller sends a diagnostic signal down the blue (brake) wire. When it doesn’t get the response it expects from electric drum brake systems, it triggers a fault — displaying “Service Trailer Brakes” on your dash and disabling braking. This module intercepts that signal and allows normal operation.\u003c\/p\u003e\n\u003c!-- more --\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eSpecifications\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv style=\"border: 1.5px solid #ddd; border-radius: 4px; max-width: 100%; margin: 0 0 36px;\"\u003e\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; display: table; white-space: normal; overflow: visible; box-shadow: none;\"\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eCompatible Vehicles\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003e2024–2026 GM Silverado, Sierra, Denali, and other models with factory integrated brake controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eBrake System\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eElectric Drum Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eInline on the blue (brake controller) wire, ~10\" from the actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003e2-wire inline diode module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\" background: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eEffect on Other Vehicles\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003eNone — does not affect non-GM tow vehicles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003ctd style=\"width: 35%; padding: 11px 12px; font-weight: 600; color: #666; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding: 11px 12px; border-bottom: 1px solid #e5e5e5; word-wrap: break-word; word-break: break-word; overflow-wrap: break-word; white-space: normal;\"\u003e381-7075\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: #CC1F24; margin: 0 0 8px;\"\u003eCommon Questions\u003c\/div\u003e\n\u003ch3 style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; text-transform: uppercase; line-height: 1.1; margin: 0 0 20px; color: #1a1a1a;\"\u003eBefore You Buy\u003c\/h3\u003e\n\u003cdiv style=\"margin: 0 0 36px; border: 1.5px solid #ddd; border-radius: 4px; overflow: hidden;\"\u003e\n\u003cdetails style=\"border-bottom: 1px solid #eee;\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eDoes this work with non-Hydrastar actuators?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eYes. The 381-7075 works with any brand of electric drum brake system.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border-bottom: 1px solid #eee;\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eHow do I install it?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eCut the blue wire approximately 10\" from the actuator. Crimp the module inline — wires are labeled for direction. Heat shrink the connections. Arrow on the diode points toward the actuator.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border-bottom: 1px solid #eee;\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eWill this void my GM warranty?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eNo. This module is installed on the trailer side, not the vehicle side.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"\"\u003e\u003csummary style=\"padding: 16px 20px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;\"\u003eMy dealer told me about this — is this the right part?\u003cspan style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; color: #CC1F24; font-weight: 800;\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv style=\"padding: 0 20px 16px; font-size: 14px; color: #555; line-height: 1.7;\"\u003eYes. GM dealerships are actively referring customers to Hydrastar for this fix. Part #381-7075 for electric drum brake trailers.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f5f5f5; border-left: 3px solid #0f2240; border-radius: 4px; padding: 14px 20px; margin: 0 0 24px;\"\u003e\u003cp style=\"font-size: 13px; margin: 0; color: #555;\"\u003e\u003cstrong style=\"color: #0f2240;\"\u003eReference:\u003c\/strong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/files\/Compatability_Chart_11132024.pdf?v=1775522634\" style=\"color: #0f2240; text-decoration: underline;\" target=\"_blank\"\u003eVehicle Compatibility Chart (PDF)\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 28px; background: #0f2240; border-radius: 4px; margin: 0 0 20px;\"\u003e\n\u003cdiv style=\"font-family: 'Barlow Condensed', sans-serif; font-size: 20px; font-weight: 800; text-transform: uppercase; color: #fff; margin: 0 0 6px;\"\u003eNeed Help Choosing?\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: rgba(255,255,255,0.7); margin: 0 0 12px;\"\u003eOur team has helped thousands of trailer owners find the right setup.\u003c\/div\u003e\n\u003cdiv style=\"display: inline-flex; flex-wrap: wrap; max-width: 100%; box-sizing: border-box; align-items: center; justify-content: center; gap: 10px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 4px; padding: 12px 20px; margin: 0 0 18px;\"\u003e\n\u003csvg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" style=\"flex-shrink: 0;\"\u003e\u003cpath d=\"M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z\" stroke=\"#fff\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\u003ccircle cx=\"9\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"15\" cy=\"10\" r=\"1\" fill=\"#fff\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n\u003cspan style=\"font-size: 15px; color: #fff; font-weight: 600;\"\u003eFastest response? Use the chat bubble in the bottom-right corner\u003c\/span\u003e\n\u003cspan style=\"font-size: 20px; color: #CC1F24;\"\u003e↘\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;\"\u003e\n\u003ca href=\"mailto:info@hydrastarUSA.com\" style=\"display: inline-block; padding: 10px 24px; background: #CC1F24; color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px;\"\u003eEmail Us\u003c\/a\u003e\u003ca href=\"\/pages\/contact\" style=\"display: inline-block; padding: 10px 24px; background: rgba(255,255,255,0.1); color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border-radius: 4px; border: 1px solid rgba(255,255,255,0.3);\"\u003eContact Page\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 13px; color: rgba(255,255,255,0.4); margin: 12px 0 0;\"\u003eor call \u003ca href=\"tel:8126554544\" style=\"color: rgba(255,255,255,0.4); text-decoration: none;\"\u003e(812) 655-4544\u003c\/a\u003e · Mon–Fri, 8am–4:30pm ET\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"Hydrastar","offers":[{"title":"Default Title","offer_id":45329186619582,"sku":"*381-7075","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/files\/Diode_6424bf7a-d7d0-4d2d-b9fc-29a379bbc508.png?v=1755792045"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/2215\/7246\/collections\/2024_-_2026_GM_CONTROLLER_ADAPTER_MODULE_381-7074_FOR_ELECTRIC_OVER_HYDRAULIC_SYSTEM__png_d56800ca-fd8f-40e2-ad39-5b5251aa04fd.jpg?v=1777987877","url":"https:\/\/hydrastarusa.com\/collections\/gm-controller-adapter-modules.oembed","provider":"Hydrastar","version":"1.0","type":"link"}