{"product_id":"gm-genuine-parts-trailer-brake-control-switch-assembly-84108373-black-oe-fit-durable","title":"GM GENUINE PARTS Trailer Brake Control Switch Assembly 84108373 Black OE-fit, Durable","description":"\u003cp\u003e\u003cstrong\u003eGM Genuine Parts 84108373 is a factory-style trailer brake control switch assembly that replaces the original OEM unit to restore proper trailer braking signal and driver control.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis switch assembly is engineered and validated by General Motors to meet original equipment standards for fit, function, and durability. It activates the trailer's braking system when the vehicle brake pedal is depressed and helps regulate the electrical signal that determines how much braking force the trailer receives. As a recommended GM replacement, the 84108373 is intended for vehicles that require a like-for-like repair with GM OE performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this switch assembly affect trailer braking performance?\u003c\/h3\u003e\n\u003cp\u003eThe brake control switch is the electrical interface between your vehicle’s brake pedal and the trailer brakes. When installed correctly, it ensures the trailer receives a consistent, proportional brake signal to engage its brakes in step with the tow vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces worn or failed factory switch to restore brake signal reliability.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain synchronized stopping between vehicle and trailer.\u003c\/li\u003e\n  \u003cli\u003eMinimizes spurious or intermittent trailer braking faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this GM part fit my vehicle and match the original specifications?\u003c\/h3\u003e\n\u003cp\u003eGM Genuine Parts are manufactured to Original Equipment specifications, so the 84108373 is designed to match the original component’s fit, electrical connections, and mechanical operation for compatible GM models. Verify part number compatibility with your vehicle’s year, make, and model before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to GM OE dimensions and electrical requirements.\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement design for a straightforward install in matching vehicles.\u003c\/li\u003e\n  \u003cli\u003eBacked by GM validation for parts that were used or approved for production vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and service life?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically follows the vehicle manufacturer’s service procedures and usually requires basic tools and access to the brake pedal area or dash mounting location. Once installed, the assembly is built to the same durability standards as the original component, helping ensure reliable operation under normal driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall using GM-recommended procedures for proper alignment and electrical connections.\u003c\/li\u003e\n  \u003cli\u003eDesigned for long-term use, subject to standard wear and environmental exposure.\u003c\/li\u003e\n  \u003cli\u003eIf replacing a failed switch, test trailer brake operation after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This GM Genuine Parts 84108373 black trailer brake control switch assembly is intended for owners, mechanics, and fleet managers who need a like-for-like OEM replacement for GM vehicles that require this specific brake control switch. It’s ideal for anyone seeking a factory-spec part to restore trailer brake signaling, maintain towing safety, and retain the original fit and function of their GM vehicle’s braking system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGM-recommended replacement part for your GM vehicle’s original factory component\u003c\/li\u003e\n  \u003cli\u003eOffering the quality, reliability, and durability of GM OE\u003c\/li\u003e\n  \u003cli\u003eManufactured to GM Original Equipment specification for fit, form, and function\u003c\/li\u003e\n  \u003cli\u003eMade in China\u003c\/li\u003e\n\u003c\/ul\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: Is the 84108373 a direct replacement for the factory switch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 84108373 is manufactured to GM OE specifications and is intended as a direct factory-style replacement for compatible GM vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install this switch assembly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Usually no special tools are required; basic hand tools and following GM service steps are typically sufficient for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48081071538334,"sku":"B06XH6PD2X","price":68.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-trailer-brake-control-switch-front-assembly.jpg?v=1785795912","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-trailer-brake-control-switch-assembly-84108373-black-oe-fit-durable","provider":"North Trail Auto","version":"1.0","type":"link"}