Check the listing for details. GM part number 23184088 genuine Trailer Brake Control Wiring Harness Adapter. T. Condition: New other (see details). Listed at 5.00 USD. MAKE OFFER. The GM part number 23184088 is a Trailer Brake Control Wiring Harness Adapter. Often referred to as the "Glove Box Jumper," this harness is used to connect an aftermarket trailer brake controller to the vehicle's factory wiring system. Vehicle Compatibility This direct-fit replacement is compatible with various full-size GM trucks and SUVs, typically from the 2014–2020 model years: Chevrolet: Silverado (1500, 2500, 3500), Suburban, and Tahoe. GMC: Sierra (1500, 2500, 3500) and Yukon / Yukon XL. Cadillac: Escalade and Escalade ESV. Compatibility Requirement: Your vehicle must have been equipped with the factory pre-wired towing package (often RPO code Z82) for this adapter to work.