When installing the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit # 119250KIT you'll put sensors on the left and right turn signal wires as well as the stop light circuit and tail light circuits on your vehicle. The only way to know which wire carries which function is by testing the wires using the included test light, but you'll want to test the wiring behind each of the tail lights.
When it comes to routing the wires, we don't have... view full answer...
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