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Troubleshooting Optronics LED Combination Trailer Tail Lights TLL160RK without Turn Signal


Wired a directed. Wire colors perfect match to existing. Lights come on but no brake or signals are operational. What is the problem? I check Ed ground and is good.


Expert Reply:

Since wiring color can vary by trailer manufacturer it is a good idea to test the wires for function on the trailer or make sure they trace back to the correct circuit before matching up wiring on the light part # TLL160RK. It is not always reliable to go by wire color. You may also want to check the main ground on the trailer is properly grounded to a clean bare metal surface of the frame. Also check the wiring for any frayed or damaged wire that may need to be replaced. Since the light is a new installation it is most likely the ground or it is not wired to the correct function.

expert reply by:
Heather A

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