Put in new battery. Still won't start after sitting. Overnight. Or any length of time

Asked by Feb 11, 2014 at 10:58 AM about the 1999 Oldsmobile Silhouette 4 Dr GS Passenger Van

Question type: Maintenance & Repair

Why won't van start after putting in new battery after sitting for awhile.  Lots of electrical
issues. Windows. Door. Locks etc.  someone mentioned wiring harness??  Please help!

4 Answers


Do you have a multi-meter? You probably have a small short somewhere. They are hard to find.


How long did it sit. Need to know hoe long it took to drain the new battery. That way a component may jump out or I can recommend a testing method to narrow down the issue. The worst case would be a short that only happens avery once any awhile and never when your testing the car. For a GM the biggest easiest one is the internal voltage regulator in the altenator failing.

1 of 1 people found this helpful.

you mentioned that you install a new battery, did you take off the plastic plugs that usually be on a new battery? if so i would say thats your starter or your ignition... I would start at the starter


Try ususing a multi-meter?

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