Trailer Wiring
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CF Beginner
Joined: Aug 2006
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Trailer Wiring
Hi,
I have a 2000 Chev Express Diesel with a wiring problem!! I have no brake lights at the end of the trailer wiring harness inside the truck. Is the circuit independant of the rear lights on the truck? All the lights work on the truck. All the lights work at the harness except brake lights. Does anyone know if a seperate lighting harness is run for the trailer harness or is it spliced into the rear lights on the truck? Does anyone have a wiring diagram for the truck? Thanks for your time in advance
Matt
I have a 2000 Chev Express Diesel with a wiring problem!! I have no brake lights at the end of the trailer wiring harness inside the truck. Is the circuit independant of the rear lights on the truck? All the lights work on the truck. All the lights work at the harness except brake lights. Does anyone know if a seperate lighting harness is run for the trailer harness or is it spliced into the rear lights on the truck? Does anyone have a wiring diagram for the truck? Thanks for your time in advance
Matt
CF Beginner
Joined: Aug 2007
Posts: 3
Likes: 0
RE: Trailer Wiring
When I bought my 03 express 3500 Extended 15-passenger I had a coil of wiring under the bumper. I added a ball to the hitch assembly and bought a $5 trailer plug and wired it into the same color wires on the van and have never had an issue. Don't have any wiring digrams of the back but would a picture of the wires help at all?
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Jul 24, 2014 10:38 AM
