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bsmith95610's avatar
bsmith95610
Explorer
Aug 29, 2016

Travel Trailer running light not working correctly

I just installed my new trailer light and now my brake lights are working correctly. I'm assuming they probably weren't working correctly due to the wiring connections and not the light itself. The ...
Bobbo's avatar
Bobbo
Explorer II
Aug 29, 2016
sch911 wrote:
The TT light bulbs have two filaments. One for turn/stop, and one for running lights. Your running light is not getting power or ground.

Since both filaments use the same ground, it shouldn't be the problem. Follow the hot wire back and you will find the problem. (Assuming the bulb filament is not burned out.)

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