Right LED tail light staying on
Here's an unusual problem that has cropped up in the past week. Can't get my right LED tail light to shut off. The trailer is not plugged into my truck. The only way I can get it off is to disconnect ...
Forum Discussion
enblethen wrote:
I would check your connector to the TV on the trailers umbilical cord. You may find corrosion between the 12 volt line and the right "brake" light.
The other place other than wiring is the junction box where the umbilical cord connects to the trailer wiring.
I agree with this diagnosis. The 12 volt feed is right next to the right turn/brake feed. LED's take so little current that the opportunity to sneak across if the insulation breaks down is quite likely.
