Stereo Radio Wiring Harness Adapter for GM Chevy GMC Buick Car Stereo Radio Wiring Harness Provides Power 4 Speakers Car Stereo Radio wire harness + Micro/Delco antenna adapter DIN head. Fit GMC Sierra (2003-2007), GMC Canyon (2004-2012), GMC Envoy (2007-2009), GMC Envoy (2002-2006), GMC Savana (2003-2007) Full Size Van, GMC Yukon / Yukon XL (2003-2006) Car Dash Mounting Kits - Amazon ASC Audio Car Stereo Dash Kit, Wire Harness, and Antenna Adapter to Add a Double Din Radio for some Buick Chevrolet GMC Hummer Isuzu Oldsmobile Pontiac 4.3 out of 5 stars 176 Electronics Tekonsha Prodigy RF Wireless Trailer Brake Controller w For your 1986 Ford Bronco, you will need the T-One Vehicle Wire Harness # 118313. This harness will allow you to connect into the your vehicle's lights by using the original wiring plugs on your Ford. No cutting or splicing of the OEM wires. The T-One connector will provide the 4-flat connector you will need to wire up the 7-way connector. Roadmaster Automatic Battery Disconnect with Switch for In a vehicle like your 2018 Ford Edge that directs you to disconnect the battery when flat towing the car, the SMI Stay-In-Play Duo # SM99251 monitor light will install with its RED wire attached to the blue wire that goes between the breakaway switch and the operating unit. This step is covered in the linked instructions on page 7.