7-Pin Plug/Trailer Lighting Problem
I was trying to trouble shoot a problem where my running/clearance lights weren't working when the license plate light bulb was plugged in. All my other lights were working fine and dandy. Because...
Forum Discussion
If the lights only work correctly when hooked to the vehicle then you're not wired correctly.
Hooking to the hitch is not providing an extra ground, it is providing the ground.
Hooking to the hitch is not providing an extra ground, it is providing the ground.
