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[SuperD]

Originally Posted by wredman

I know that about 30 seconds after I opened the door and the stair did not extend, all possible root cause investigation was eliminated because I started hitting switches, buttons, breakers in the battery compartment, etc.

The dash was dead as dead, way beyond the clicking noise when trying to crank.

I connected a weak jump battery to the chassis bat, and the dash came to life, but would not turn the starter. This also brought brief life to my inverter panel, but it soon went blank again.

Would leaving headlights on drain the house batteries, do they have a auto shut off? Im thinking something had to be left on, but what would reasonably drain both sides of the electrical system.

Even in the store position there is considerable parasitic drain on the batteries!