Having problems with your 1999 Cadillac DeVille ?

Cadillac 1999 DeVille Battery goes dead after sitting for a few days. Had battery checked and it's good. What should I check?

Posted / edited by AnonymousUser on : 08-08-2022

Answers :

You should check for voltage draws when the vehicle is off... Disconnect the negative battery termal, Pull dome light fuse,and connect a light or volt meter between the two.
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\015\012common offenders are alternator diodes. These fail and cause drain.
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\015\012Then you have to check, circuit by circuit, until you find the offending system.
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\015\012Also, before doing anything, disconnect negative terminal and see if the battery is still fully charged after a few days...
Repair Help & Product Troubleshooting for 1999 Cadillac DeVille

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