Trailer Wiring - TDR Roundtable

Trailer Wiring

07-20-2003, 03:12 AM

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Bill Littlefield

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Join Date: Apr 2001 Location: Bend, Oregon Posts: 150 Old Reader's Rigs Gallery

Trailer Wiring

Guys,

I need some help with the trailer wiring. I have done some searches and haven't seen a post with the answers I need.

My '03 didn't come with the trailer package (that's another story...). I'm trying to remedy this. Here is what I have:
1) There is a flat four trailer connector under the bumper.
2) There is an electric trailer brake controller connector under the dash.
3) I got a 7 pin connector from the dealer for mounting into the bumper. I can't find any other wires in the harness at the rear to complete the 7 connections. I may have to run them from the front?? If anyone knows where to tie in to complete the factory job for 7 that would be my first choice.
4) I got the adapter harness from the dealer to connect my electric trailer brake controller but since that blue wire doesn't go to the rear of the vehicle, where can I find it to complete the job?

TIA,

Bill
PS The service manual showed up in the mail today. Wouldn't you know the wiring section is now in another publication.

PSS Wanted: Factory Class IV Hitch for '03.

__________________
2003 3500 SRW 4x4 Quad, LB, HO/6 spd, Laramie, 265/70R19.5 tires & Rickson Wheels, Tube steps, billet grill.

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