Amber side markers are not operating.
There is 12 volts coming from the truck for on the same circuit are the tail lamps and red markers which are working. I checked all 4 ambers bulbs with a continuity meter and they are good. I have n...
Forum Discussion
Don't forget to check the ground. If the OP rig is fiberglas sides then there's a ground wire from the light to the frame, if corrugated sides then the light is probably grounded to the siding.
