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Troubleshooting Running Lights of Trailer Light Install Not Functioning  


I replaced the lights on my trailer with the Blazer LED kit. The previous lights were the old bulb type. With the new setup, there are 2 colored wires and 1 white wire. I connected the white wire to the trailer. and one of the wires from the harness. I connected the 2 colored wires with the other wire from the harness. The blinkers, stop lights, emergency flashers, and signals all work. But the tail lights are not. Can you help?


Expert Reply:

Can you verify which of your trailer circuits is the running light circuit using a circuit tester like part # PTW2993 and then wire that circuit to the brown wires of your trailer light kit and then run the stop and turn circuits to the other wires of the trailer.

I attached a couple help articles for you to check out as well.

expert reply by:
Jameson C

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