Quote:
Originally Posted by upon1
Engine is a 2003, no led taillights. I have a 4 prong brake switch with the purple TCC hot when brakes off and the light blue wire to the tac on the same side as the taillight wire.
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I assume you mean the light blue wire is on the same side as the brake lights so that it gets power when the brakes are applied and not the taillights. So it sounds like its wired right. You can try adjusting the switch in a bit so that you have to press the brake pedal a little further before the brake lights come on. I have seen that fix it before.
Also, when you were testing the switch, did you do it at the TAC plug?