Switching from 2 way to 3way Fridge
Ok this is either very simple question no one has needed to ask before or I don't know the words to use to find the thread describing it with the search feature. Regardless, I need an answer so I'm a...
Forum Discussion
You've got a wiring problem and it can be the ground. Connect the negative voltmeter to a good frame ground. Measure the voltage to the negative battery post (should be very close to 0V) and positive battery post. That's post not the cable.
Repeat at the refer also using a good frame ground. You're trying to determine if it's the positive or negative or both wires that are the problem.
I'd disconnect the 12V heater wire just to be sure it's not the cause even though you have no display.
Maybe the refer is balking at 12.0V but you it should be very close to the battery voltage with the DC heater off.
Repeat at the refer also using a good frame ground. You're trying to determine if it's the positive or negative or both wires that are the problem.
I'd disconnect the 12V heater wire just to be sure it's not the cause even though you have no display.
Maybe the refer is balking at 12.0V but you it should be very close to the battery voltage with the DC heater off.
