Outer Limits 4x4 Board

Recently fitted Electric Brakes to my old mans camper trailer. Had dramas on the first outing with the brakes staying on causing dramas. Upon investigating the cause it seems the cheap shit lights that Powerful 4x4 fit to their rear bars are the culprit. If you put 12v into the tail light wire 4-6 Volts come out of the brake light wire causing the brake controller to activate when the Headlights are on. Also works the other way, 12v to brakes = 12v out taillight wire. All this is on a 200Series GXL using the trailer wiring to run the lights in the rear bar and trailer. Fixed now by removing them and replacing with Narva Combination LED Lamps due to original indicators being broken already due to poor design.

Anyone else come across this problem at all?

Have a look through lcool forums, there has been discussion about LED tail/brake lights causing electrical gremlins. Not sure if details.

A simple diode will fix this, allows the 12v DC to travel only one way and blocks the other way. It will need to be installed "in line" by cutting the wire to the light and soldering or crimping it in.