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Trailer Tail Lights Pulsate When Running Lights Are Activated


All my lights work fine.When i turn tail/marker on and turn either blinker on or 4 ways the lights all pulsate with the blinker? Why?????


Expert Reply:

The issue you are having with your lights pulsating is because of a bad ground. This usually happens when multiple signals are applied at the same time because the increased power draw then becomes too much for the ground to handle. In order to fix this issue I recommend using a junction box like part # 38656. Once you have this installed you can then run the grounds for all of your lights and the trailer connector to the ground terminal inside the junction box, then to a single point on the tongue with 10 gauge wire part # 10-1-1, a ring terminal part # DW05705-1, and a self-tapping screw part # 101131802. This should fix your issues but if it does not then please just let me know.

expert reply by:
Conner L

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