battery goes dead

meatloaf · #1 May 6, 2005, 03:08 PM

my battery goes dead over night when i leave the + wire on checked over all wires cant find anything the battery works fine in my other truck can leave it for a week no problems cant figure this one out

labman · May 6, 2005, 09:22 PM

An ammeter would be best, but a test light may work. Shut the engine off and pull the fuses one at a time, and check to see if current is flowing with the engine off. A few circuits such as the ECM will have a small current all time. Find a circuit that is drawing very much and it may have a short. Another thing to check is the field circuit for the alternator.



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