Lost 12 volt power on my 2004 Fleetwood Revolution
2004 Fleetwood Revolution. We I am plugged into shore power or on generator my lights are very dim, ac’s, electric heat or water heaters will not work. But when I start the coach everything works as it should. I think I have lost 12 volts. I replaced all the house yesterday. Any help is appreciated.
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Your batteries are not getting charged by your converter/charger or inverter/charger. Look for a circuit breaker tripped. Inver/chargers have them on the unit itself out in a compartment.
There is a large square box in your battery cabinet. It is the BMS. Remove the lid and check the control fuses.
There is a large big boy relay in there. It should be energized if battteries are good and batt switch is on. Check both sides of the relay with a meter. That will get you started. Let me know.
Great, thanks is that the big boy battery isolator relay you’re talking about? I have 12 votes on one side and seven votes on the other side. I can’t find a fuse. You can reach me at 423-895-2199. I appreciate any help.
Linear Mode
