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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...
beemerphile1's avatar
beemerphile1
Explorer
Aug 15, 2016
Bear25314 wrote:

Would the bad ground be in the truck or the trailer?


It is the trailer lights that are blinking, right? You have a bad ground at the trailer tail lights and it is seeking a ground through the marker lights.

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