WebFeb 15, 2011 · Either blown fuses or more likely corroded connections on the receptacle the cord plugs into. Remove the two screws securing it, GENTLY pull it away from the car body and have a look at the terminals. Feb 15, 2011 #3 D dos64k Member Joined Dec 4, 2010 Posts 18 Here's a link to info on the receptacle/plug http://www.etrailer.com/faq … WebMay 10, 2024 · 1,375 Posts. #8 · May 10, 2024. lugmastro said: Just bought a 2024 GMC 2500hd AT4, and am having an issue with trailer lights not working. Truck is not detecting the trailer. I have a 5 pin from the harness to a 7pin adapter (new and old adapter have been tried). No brakes are installed on the trailer, that wire is not grounded but is …
Trailer Lights Troubleshooting — Why Trailer Lights Are Not Working
WebBecause the most common reason for trailer lights not working properly is a bad or missing ground, check the trailer’s and truck’s ground connection first. A poor ground … WebDisconnect the trailer from the vehicle and run a test to determine if the trailer lights function properly. Wire the vehicle side wiring harness to a standalone battery. All you … dgl new zealand
Trailer Brakes Not Working But Lights Are - Camper Upgrade
WebKeep reading to find out the reasons why your trailer running lights are not working. Contents [ hide] 1 Ground Wire Not Connected Properly. 1.1 Solution: 2 Blown Tow Package Fuse/Relay. 2.1 Solution: 3 Faulty Vehicle Side Connector. 3.1 Solution: 4 Faulty Trailer Side Connector. WebApr 22, 2011 · It requires you to remove the tail lamps, unplug the electrical plugs for the lamps, install a jumper connection on each side of the car, and then run the harness behind the rear trim panels and out to the trailer hitch. At the connection behind each tail lamp the new harness contains about 6 different relays on each side. WebApr 30, 2024 · Trailer Lights Not Working Solution: Check the trailer light wiring ground Tighten the ground Family Handyman Clean the ground contact and tighten the ground … dg logo wear coupons