Having problems with your 2003 Buick Park Avenue ?

Small drain on battery when off, enough to drain

\015 2003 buick park ave. small drain on battery when off, enough to drain battery\015 Posted / edited by AnonymousUser on : 21-09-2020

Answers :

Pull positive cable off battery hook up a test light between cable and battery start pulling fuses until test light go dim to find out what circuit drain is on
Most of todays cars have small draws to maintain computer memory for the ECU and the radio. 50 mA or less normally.
\015\012If you have a higher draw than this you probably have a short somewhere. You can put an ammeter inline with your cars battery and pull fuses one at a time to see if a single circuit is at fault.
\015\012If the fuse pull doesnt work you will need to check for the fault backwards from the fuse panel. A continuity test with the battery off to see if the hot side is grounded ahead of the fuse panel should do it.
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