{"product_id":"a-premium-trailer-brake-control-switch-for-chevrolet-gmc-84108373-8-pin-dash-mount-direct-fit","title":"A-Premium Trailer Brake Control Switch for Chevrolet \u0026 GMC — 84108373 8‑Pin Dash-Mount Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eThe A-Premium Trailer Brake Control Switch 84108373 is a direct-fit, dash-mounted replacement switch designed to restore trailer brake control functionality on compatible Chevrolet and GMC trucks and SUVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle's factory trailer brake control switch has failed, become intermittent, or shows physical damage, the A-Premium 84108373 delivers a plug-and-play replacement engineered to match OE terminal layout and mounting style. It fits a wide range of Chevrolet and GMC full-size trucks and SUVs from mid-2010s model years and includes the same 8-terminal pin configuration and snap-fit attachment used by the original part.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this switch work with?\u003c\/h3\u003e\n\u003cp\u003eThis switch is built to be compatible with many GM models. Check the fitment list against your VIN or parts diagram to confirm exact compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Colorado (2016–2021), Silverado 1500 (2014–2019), Silverado 2500\/2500 HD (2015–2019), Silverado 3500\/3500 HD (2015–2018\/2015–2019), Suburban (2016–2020), Tahoe (2016–2020)\u003c\/li\u003e\n  \u003cli\u003eGMC: Canyon (2016–2021), Sierra 1500 and 1500 Limited (2014–2019), Sierra 2500 HD and 3500 HD (2015–2019), Yukon and Yukon XL (2016–2020)\u003c\/li\u003e\n  \u003cli\u003eReference numbers for cross-checking: TBM003, 84108373, 23145874\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this part install into the dashboard?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for technicians and experienced DIYers because the switch uses the original mounting and connector style. It fastens with a snap-fit method and plugs directly into the factory wiring harness without splicing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting location: dashboard — designed to replace factory switch in same aperture\u003c\/li\u003e\n  \u003cli\u003eAttachment method: direct snap-fit for secure, tool-minimal installation\u003c\/li\u003e\n  \u003cli\u003eConnector: female housing mates to vehicle harness; 8 terminals (male pins)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the electrical and mechanical specifications?\u003c\/h3\u003e\n\u003cp\u003eThe switch matches the OE terminal layout and uses standard pin terminals for reliable electrical contact. Its specifications are listed to help confirm compatibility with vehicle wiring and control modules.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTerminal quantity: 8-pin arrangement matching factory connector\u003c\/li\u003e\n  \u003cli\u003eTerminal type\/gender: male pin terminals; switch connector is female\u003c\/li\u003e\n  \u003cli\u003eDesigned to operate as the original dash-mounted trailer brake control input switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and quality assurances are included?\u003c\/h3\u003e\n\u003cp\u003eA-Premium backs this part with a one-year unlimited-mileage guarantee to cover workmanship and material defects. The product is manufactured to meet aftermarket quality expectations and is offered as a reliable replacement option.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year unlimited-mileage warranty from A-Premium\u003c\/li\u003e\n  \u003cli\u003eManufactured and tested for fitment and function on listed models\u003c\/li\u003e\n  \u003cli\u003eSold as a replacement switch to restore factory trailer brake control operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The A-Premium Trailer Brake Control Switch 84108373 is aimed at owners and technicians working on mid-2010s Chevrolet and GMC trucks and SUVs who need a dependable, direct-fit dashboard switch replacement. If your vehicle shows trailer brake faults, warning lights, or the switch is physically damaged, this replacement part offers an economical way to restore proper control input without modifying vehicle wiring.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this switch plug into the factory harness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses the factory-style female connector and mates to the vehicle harness with an 8-pin layout, no splicing required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty comes with the A-Premium switch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A-Premium includes a one-year unlimited-mileage warranty covering defects in materials and workmanship.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48085614231710,"sku":"B0CW568XQK","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-trailer-brake-control-switch-front.jpg?v=1785874405","url":"https:\/\/northtrailauto.ca\/products\/a-premium-trailer-brake-control-switch-for-chevrolet-gmc-84108373-8-pin-dash-mount-direct-fit","provider":"North Trail Auto","version":"1.0","type":"link"}