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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...
llr's avatar
llr
Explorer
Aug 15, 2016
It sounds like a bad ground at one of the tail/brake/turn combination lights. A bad ground here will will put power on the taillight circuit when the brake/turn is on or brake/turn when the taillight is on

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