Tail Light Harness Junction Block Wiring Diagram

Another thing to try is pull all the plugs out of the junction block.

Tail light harness junction block wiring diagram.

Iff all works at that point then plug the main back in and start testing at the left and right plug ins on the junction block. 3 white tracers lo beam wire from dimmer to junction block should be 14 ga. Hi beam wire from dimmer to junction block should be 12 ga. Start testing direct at the incoming harness with a test light and verify all your signals and lights are working to that point.

Acdelco 22869171 gm original equipment passenger side tail light wiring harness genuine gm 16531402 tail lamp wiring harness apdty 756760 wiring harness pigtail connector 7 way wire leads fits tail lamp or instrument cluster junction box on escalade avalanche silverado sierra suburban tahoe yukon h2 replaces gm 15306339. Junction block x61 instrument panel connector x7. 2 tracers and. If the left side is fine i know that the wiring to the rear junction block is okay.

2 white tracers in the questionable repro sets the main harness headlight wires from light switch to dimmer to junction block are 2 ga. With a 13 year old truck am i wise to just replace both sides wiring harness and the juntion block or is that just likely a waste of money. Wiring diagram for trailer tail lights new trailer light harness a novice s overview of circuit diagrams an initial look at a circuit layout might be complicated however if you could check out a metro map you can check out schematics. 7 electrical manual 2014 light duty full size c k trucks revision date 06 19 2013 wip.