Fixing things and the future of society.

Sunday, December 18, 2022

Titan trailer connector -- running lights won't work

Titan owner: Ok, have a question. I just bought a 04 titan and I have brake lights and turn signals but no running lights on my trailer plug I’ve checked all fuses and I still have no running light. I’ve got no power on the running light wire going to plug. What am I missing here any one know anything that I’m missing?

Intelligent Tinkering: But the truck's running lights are working, right? So you can bypass the faulty trailer pigtail and/or pigtail connector just for that one line. Take a 12V test light, dismantle the rear lamp unit on the truck, find the wire that goes to the running light there, test it for 12V and splice into it to go to the trailer plug. If you'd rather, you can trace from there to the pigtail and fix it properly, but the bypass will work fine too.

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