Last readings: with shore power connected, no load but charger on.
House=14.3 Start 14.3
Shore power off, House=13 Start=13
With shore power, on charger on, no load Sure Power ground N/C House=14.3
Start=12.9
Shore power off, engine at idle, house=13.9 Start=13.9
This could all be moot. Amazon just delivered the Blue Sea 7622 ML-ACR. I ordered it yesterday!
I'll put it in tomorrow and let you know. GH
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'07 GMC 2500 6.0
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