Back Up Lights Dont Work

You need to come out of the fuse box, as the ignition run lead is NOT fused. But essentially, yes. As I outlined in a previous post, one of the bulkhead connectors comes from switched / fused accessory, out the bulkead, down to the switch, then up from the other side of the switch, back through the bulkhead to the connector in the kick panel. Surely part of that harness is still there