Keep popping TV fuse for right turn/brake

[OkeyOkins]

My TV has a 10a fuse dedicated to the trailer right turn/stop light. I keep blowing that fuse. It does not blow until I plug the trailer harness in, so I ASSUME it is a problem with the trailer. The lights on the trailer appear to be LED? (This is on a 2019 2720). I was going to pop the lens cover off but wasn't sure how to accomplish that with leds inside-the lens doesn't want to pop off AT ALL. Anyway, where would you all start looking for a wire issue? Do the wires for the rear lights come up thru the floor somewhere under the sink?

[Bill]

How quickly does the fuse blow? Instantly when you put on the brakes, or after several seconds?

Bill

[OkeyOkins]

Immediate

[Larryjb]

Were there any modifications/upgrades/changes made at all? Especially anything that involved screwing something into the shell?

I once had a fuse that would pop randomly and all my dash lights would go out leaving me in the dark, literally. It then occurred to me that the radio had been changed by the previous owner. I pulled the bezel off and found a loose power wire that would have been for the radio bulb. The turkey who changed the radio just left a live wire swinging in the breeze. (That took me a couple of years to clue into!)

The owners manual should show the routing of the wiring, so you should be able to see where the 12V wire goes for the right tail light, then compare it to any work that was done. Apart from that, I'd pull off the tail light lens first anyway and look for chaffed wiring or bare wires where there shouldn't be.

[Shane826]

Start looking where the wires come out of the bottom box, up the lift arm, and into the upper wall. Stuff gets pinched around there.