Battery Charging Issue
Helping son with battery issue on a older Fleetwood Montana on a Ford 350 chassis. House battery was bad and replaced. House bat charges on external and genny power, chassis bat does not. Motor runnin...
Forum Discussion
If you find a BIRD (Bi-Directional Isolator Relay Delay) module then it is the control module for a 12 VDC Relay that connects the chassis battery to the house battery depending on the logic of the moment.
