Trailer Running Light Issue
I have a 5th wheel horse trailer with some kind of light/wiring issue and I'm hoping someone can help me debug this. On an earlier trip, we didn't have the rear running lights showing on the back o...
Forum Discussion
I'd be interested in learning more about your LEDs and their "resistor". Neither your pic or link are visible.
After you get the lights working correctly the next easy step would be to measure the amp draw. Check the trailer draw, tow draw and both. It's possible that you are at the fuse/circuit limit.
Another area to check is the house battery and circuit. Possibly something is connected to that circuit. I'd hope there is a charge wire and a trailer brake wire.
And since it's also a camper I would expect the house battery to be grounded to the frame including the ground from the tow vehicle. I agree with others that a dedicated ground wire for the lights is best and you may/may not have that.
After you get the lights working correctly the next easy step would be to measure the amp draw. Check the trailer draw, tow draw and both. It's possible that you are at the fuse/circuit limit.
Another area to check is the house battery and circuit. Possibly something is connected to that circuit. I'd hope there is a charge wire and a trailer brake wire.
And since it's also a camper I would expect the house battery to be grounded to the frame including the ground from the tow vehicle. I agree with others that a dedicated ground wire for the lights is best and you may/may not have that.
