Time for a new power converter.
I have a Parallax 7345 converter in my 2004 5th wheel. The PO decided that since it wasn't charging the batteries, the best thing to do was put a battery charger on them. I am looking at a PD4600 seri...
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I don't believe the electrical system has been modified from original. But it has no rhyme or reason either. Depending on where you look, the battery compartment wires are red (+), and black (-). Except for the positive lead between the 2 batteries is green with red shrink on each end. In the converter box the 12 V positive (+) feed wires to each circuit are black, black with white stripe, red, and blue. The battery leads at the PC board are red (+) and green (-). I tracked which fuse goes where by process of elimination. Pull a fuse, then see what goes off or no longer works. Do this one at a time, and write everything down. If I need to physically locate wires in the walls, I use a tone generator.
