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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...
wa8yxm's avatar
wa8yxm
Explorer III
Aug 15, 2016
DownTheAvenue wrote:
Unlike incandescents. LED's have a specific positive and negative.


Many LED lights are designed with a bridge rectifier on the power line so they could care less which lead is positive, they figure it out, I have several where if I reverse the leads, work perfectly.

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