Parallax Power Supply Parallax 7300 Series 45 Amp Electrical Converter/Charger "replace large fuse" Questions

...come on and the unit shuts down after a few seconds. The consumables were still pretty good but replaces them after the p I pulled the cover and can't see any obvious burnt parts. I

...replace the converter section only. I though I only had 4 wires to deal with but when I went to install it I can not remember where the white wire was attached. Help If the white wire is the large # ...