Forum Discussion
donn0128
Apr 15, 2017Explorer II
Add a seperate ground for 12 and 120 volts. IMHO its not really sound practice to ground both circuits thru the same wire. I suspect your problem stems from the 120 ground and the battery ground are not on the same path. Since everything is open it should be a simple matter to test. Run a dedicated wire from the battery - to the ground side of a light fixture and turn the bulb on.
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