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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...
Chris_Bryant's avatar
Chris_Bryant
Explorer II
May 16, 2016
That is the right solenoid. The only other test is voltage at the third small terminal- could have two small terminals, one would be ground then. That is an intermittent duty solenoid, but the controller cuts the hold voltage down, so you won't get full voltage at the small terminal all the time.

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