1997 Ford Taurus Battery loses charge

Tiny
VELO
  • MEMBER
  • 1997 FORD TAURUS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
While sitting parked, the battery loses it's charge. I'll re-charge the battery, and 5 days later the battery is dead. There are no lights on in the car.
Sunday, March 30th, 2008 AT 5:24 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Perform below battery drain test.

Get a test light and disconnect the negative battery cable now put the light between the cable and battery negative post is the light On? If so start removing fuses one at a time -the fuse that turns off the light is the trouble circuit. Then break out the electrical wiring diagram.

In the event you removed all the fuses and the light is still On disconnect the alternator batt. Feed and the connector-if this one turns off the light-the alternator has bad diodes.
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Sunday, March 30th, 2008 AT 11:11 PM

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