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Moffittclan's avatar
Moffittclan
Explorer
May 16, 2016

Battery disconnect or isolation solenoid? HELP!

I think I might have a bad isolation solenoid because my house batteries aren't charging with the engine running...I tested by measuring volts on house batteries with engine off (12.1) and then with e...
Artum_Snowbird's avatar
Artum_Snowbird
Explorer
May 16, 2016
Before you get anything new in parts, make sure your ground return is good. Connect from the negative on the house battery to the negative on the coach battery with a jumper cable and just make sure that part is OK. A loose negative will prevent anything from charging.

With just the negatives connected, start the engine and then see what the voltage is at the house battery.

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