The problem is the vac pump draws down the aux battery so the contactors won't
close and the car can't start. It's a matter of voltage. The pump will work
until the battery is dead. However this doesn't allow enough voltage through
to close the contactors. ONce the contactors close the Iota takes over and all
is well. Wipers lights vac pump. No porblem. Drawing down the battery takes
two months. The battery is an Optima style battery which is plenty tough.
I've even increased the charge voltage by inserting the phone plug. Doesn't
help much. Could be I just don't use the EV enough as we have a Leaf now. The
solution is to simply charge the aux battery once a month. Lawrence Rhodes.....
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