Looking for a schematic of the original wiring for an 05 durmax trailer package. Bought this truck used and there is 3, 7 pin trailer plugs under the truck.
They all seem to be connected together, when i follow the wires towards the front of the truck i see two bundles above the fuel tank, then...
Leaving on a trip and will be driving at night. Trailer lights are doing some weird things. Hooked up, nothing happens, only the right brake light comes on. If i put my fot on the brakes, all the lights (running and all sides) come on solid. If i put the right turn signal on, all the lights...
have diesel slip tank in box
pump is hard wired into camper plug in box
no power on plug
I can locate fuses for trl signals, park
But how do I get power for the +12v pin ?
need to get fuel in soon
I hooked my Boat up to my truck an hour ago and tested my trailer lights and the running lights work but no brake lights or turn signals on either side. Tested the plug on the truck and getting no voltage to the LH turn/Brake and RH Turn/ Brake posts. traced it up to where they are spliced in...