Originally Posted by justintime
I have a 1991 Pace Arrow and my house and engine batteries seem to not be charging when I have the generator on or plugged into shore power. Does anyone have a wiring diagram for that coach or any idea what may be wrong
Your coach has a converter/charger that when 120v is present (shore or genny) it charges the house batteries. If this is working, you will show 13+v at the batteries. If not, they are not being charged by the converter. Causes: 120v circuit breaker that powers the converter has tripped. Converter has a blown fuse or breaker (if equipped), or the converter/charger has failed. You also probably have a BDS (battery disconnect switch) near the entrance door. This disconnects the batteries from the coach for storage. Some coaches will not charge the batteries if they are disconnected. If the batteries are up enough right now and your interior lights are working, they are not disconnected.
You will need a voltmeter and know how to use it to get this problem diagnosed.
I do not know where it is in your rig, but generally they are close to the batteries and the fuse panel for the 12v system. It of course has a 120v plug and battery cable size cables running to the 12v control center.
As far as chassis battery, it is doubtful your coach charges it. But we can make that happen. Your engine will charge the chassis and coach batts if everything is working as it should.