Question about Oldsmobile Silhouette

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Repeatedly dying battery

1999 Oldsmobile Silhouette battery needs to be recharged before every single trip. The battery has been replaced recently, and was tested to be fine. What else could be causing this issue?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

glennsmart
  • 801 Answers

SOURCE: 1999 Volvo S80 will not hold a charge

Tricky ... Was the alternator replaced with a 2nd hand one or a new one?

A defective alternator can allow the battery to discharge within a few minutes (the diodes in the rear of the alternator can burn out and cause the problem. The diode pack can be replaced). When this happens recharging the battery only replaces the power in the battery - which drains straight back to earth via the alternator, flattening the battery again - often within a couple of minutes or less.

Does the battery lose its charge when the car is standing or just when the engine is fired up?
If the battery loses its charge overnight, try disconnecting the wiring from the rear of the alternator (also look at the electrical connector that fits into the back of the alternator - look for melting/burning marks which suggest something may be amiss inside the alternator).

Let the car stand overnight with the alternator wires disconnected. Will it start up ok and drive (with the alternator wires still disconnected) the next morning?

You could also try just disconnecting the alternator wires, firing up the car and then driving it -
If the car drives ok without dying out and gets further down the street than it usually does, then it probably is the alternator at fault. The car should drive until the battery drains and has insufficient power to trigger the ignition. You certainly would get further down the street with a charged battery and disconnected alternator than you currently do.

It does sound as though you've had an alternator fault to begin with. If it has been replaced with a 2nd hand unit that unit may also be faulty. Rather than replace parts in desperation, visit an auto electrician's - within a few minutes they will be able to test the battery/alternator output and also identify where the lost current is going. It will be cheaper in the long run to have an auto electrician look at the charging system. It only takes a few minutes.

Posted on Sep 17, 2008

  • 15 Answers

SOURCE: Dead battery in 1999 Oldsmobile silhouette

you have to take the fuse box out. unhook the hot wire from the front of the fuse box.then there is a little black holder with which you can take a flat head screwdriver and lift the little peg in the middle of it which will then come out. then just pull the fuse box off to the side and u should be to the battery.hope this helps

Posted on Mar 28, 2009

  • 1986 Answers

SOURCE: Replacing mirror on 1998 Oldsmobile Silhouette

you'll need to remove your door panel (screws are by the door handle, arm rest, under door and side of door) and remove the cover adjacent to your mirror to remove the bolts to remove the mirror.

Posted on Aug 12, 2009

  • 12104 Answers

SOURCE: 1999 Oldsmobile silhouette brake light and tcs

check the abs sensors common to hit or damage the wiring or knock connection loose when doing a brake job the traction control system[tcs] is tied into the abs system

Posted on Jul 21, 2010

jturcotte
  • 8215 Answers

SOURCE: How to change a thermostat

The thermostat is on the end of the engine (driver's side), by the transmission. See figure below. Also, please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat and let me know if you have questions.

Posted on Nov 14, 2010

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Dead battery in 1999 Oldsmobile silhouette


you have to take the fuse box out. unhook the hot wire from the front of the fuse box.then there is a little black holder with which you can take a flat head screwdriver and lift the little peg in the middle of it which will then come out. then just pull the fuse box off to the side and u should be to the battery.hope this helps

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