I have been trying to troubleshoot an exterior light problem on my son-in-law 2011 Dutchman trailer. The two exterior lights do not work. I checked the switch and it was okay. I changed the fuse for t...
Try pulling the fuse for the outside lights. Next connect a jumper wire from the supply end of one of the other fuses to the feed side of the outside light fuse. Check the function of the outside lights. If the lights work, your problem is within your power system. You can make the jumper by using male spade connectors and a short wire.