Quote:
Originally Posted by PaulMears
UH! I noticed the stair step is not fully retracted when I am traveling down the road. Is it possible the chassis bypass that automatically retracts the step when the RV is moving is applying power continuously to the step in an effort to retract it??? This would increase the amp draw on the house battery substantially when driving down the road. Add the radio, navigation, frig, etc, I might be up to 20-25 amps.
Shouldn't the alternator be able to keep up with a 25 amp discharge?
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Here's the part that is confusing you;
The engine battery IS NOT connected to the house battery normally.
Your problem is most likely the alternator, engine battery, or both.