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lipafrog's avatar
lipafrog
Explorer
Jul 17, 2017

Palomino Pop-up DC Not Working

I have a 2010 Palomino Pop-up that we bought new. At the end of last season the DC power stopped working. When I investigated I found that the 30amp fuse on the positive wire from the battery had melted, assembly and all. We had not used DC power at all the previous year.

I installed a brand new fuse assembly and new fuse, checked all other fuses (all fine) and tried the DC power. Nothing. I've traced all the DC wires I can find and cannot locate any other fuse between battery and converter and have not found any signs of damaged/broken wires.

The water pump, lights and furnace both work when hooked up to shore power. I double checked the cutoff switch and it functions as expected (knew that since lights work but tested it anyway). Fridge does not function when hooked up to the tow vehicle but brake lights and signals do.

One maybe related thing, I tow with a Silverado 1500. The computer in the truck tells me I have a a problem with the trailer brakes when towing. Sometimes it reports this immediately and sometimes its does after we go down the road a bit. Could the trailer brakes be implicated in this or is it just because no power is getting to them?

Also, years ago I dragged the trailer connection cord for 50 miles or so and had to splice a couple of the wires in it back together. Haven't had any problems since (up to this one) and local parts place does not stock new ones.

Could this be as simple as replacing the tow vehicle connector? Not much of an electrical guy so I can't understand how that connection ties in with the battery, etc.
  • Is the battery charged? What is the voltage at the battery?

    Has the battery been removed? The melted fuse/fuseholder was likely caused by a direct short, it could have been in the trailer connection cord or elsewhere. There is often a wire in the trailer connection to the tow vehicle to allow for the tow vehicle to charge the trailer battery while in transit. If the wires were crossed when fixing it, that could be the source of your short.

    Also if the brakes failed and caused a short, the truck would indicate a trailer brake issue and it could have shorted your fuse.

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