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Bear25314's avatar
Bear25314
Explorer
Aug 14, 2016

After replacing truck lights with LED's, TT lights act weird

I have a 2011 F250. I replaced all the marker light bulbs with LED's. Now, when I attach my TT, the marker lights on the TT act differently. The brake lights work fine, however, when I turn on a bl...
tempforce's avatar
tempforce
Explorer
Aug 15, 2016
some marker lights blink with the turn signals. if yours are designed to do that. the lights are not receiving enough grounding through the marker lights. when the turn signals are turned on.
also you may have a trailer ground issue as mentioned above.

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