Build a new wiring harness?

Jayson44

Member
has anyone built a new wiring harness or parts of one?

long story short, I've owned my 05 for 7 years and I've never had a working front passenger blinker save for a few months when I first got the truck. I will take responsibility for some of the issues, as I lifted the truck and put 35s on pretty quickly. I had to trim the bumper and remove most of the plastic fender liner exposing that whole mess of wiring under there to all the elements.

a few months ago, the bumper also got ripped off in a parking accident which ripped out the fog lights and blinkers, leaving the wiring torn. I bought new plugs for all the bulbs and did my best to rewire it all. I got the fog lights and the driver side blinker working. but the passenger blinker has 2 wires coming from the harness and the plug has 3 wires. when I tried to wire it, the blinker worked intermittently but it caused all sorts of strange grounding issues. the wipers wouldn't work all the time, the blinkers both flashed fast (like a bulb was out), and the windshield washer would either not work or it would cause the wipers to come on and not turn off.

to fix it, I cut off the 3-wire plug for the passenger blinker. and it worked. all the strange issues stopped saved for the rear washer pump.

so, all the wiring seems jacked. I noticed when wiring up the new plugs that some of the wiring was corroded down there. I'd like to just replace it all and see if I can get it working the way it should.

is there a certain kind of wire I should use to rebuild this harness? I plan on just replacing wire-by-wire as I don't want to shuck out $300+ on a used harness from a salvage yard.

J.
 
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Stranded wire of the same gauge is all that matters. Color matching can be helpful for the future. Solder the connections and use sealable shrink tube to make it water resistant.
 

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