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I have an 05 F350 PSD with the Camper package. I assumed with this package that the second battery would give me reserve power for my camper. I read in this forum that the diesels need two batteries to start. Am I getting reserve power from the truck battery?? I would think not because when my camper battery dies I can still start the Truck.
firesoutmatt is correct! You can verify this with a voltmeter at the 7 plug hookup. Fuses for the trailer/camper battery charge as well as turnsignals, stop lamps, ect, are located under the hood in the fuse box. Refer to your owners manual.