How do you replace a tail light relay ?
We have a E350 Ford Box Truck , and our running lights nor our tail lights are working .. We've
checked the fuses and couldn't find one that was bad , so we are thinking it might be the relay. Can
someone please tell me how this can be checked and located?
Your fuses are good. Check for power back at the bulbs sockets. If you have power, check the ground wires for continuity.
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