Originally Posted by Maingler
Freightliner only supplied a 10A circuit and it wasn't large enough to feed all the lights.The back up signal from Freightliner feeds a relay in the front elctrical comparrment and a fused circuit from the Berkshire fuse panel feeds the lights.
Any idea which Berkshire circuit.
I just tried putting 12v to pin slot 87 on the reverse lamp relay circuit and no lights. Iím beginning to think it may be a splice that has worked loose in the rear cap.
Thereís one big bundle of splices in side the cap. I believe it splices the four tail light circuits into the freightliner wiring.