Re: 88 Ranger Battery Is Draining
You should only read +12v on the big lug of the starter relay connected to the battery. The other big lug which goes to the starter should read nothing. Something is wrong.
However, this makes no sense. If the relay was stuck closed, your engine would be cranking away until it died. I suppose it could be corrosion inside the relay make just enough of a path for it to read on the meter and drain the battery slowly.
Disconnect the battery cable from the relay and see if the battery stops dying.
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