99 subrban battery won't stay charged

Tiny
JHENRIKSEN
  • MEMBER
  • 1999 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
Battery won't hold a charge when in vehicle. Is fine when disconnected. Drawing from somewhere, how can I pin point the problem?
Wednesday, December 1st, 2010 AT 11:54 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Disconnect the positive cable and hook up a test light between the battery and cable. Pull fuses one at a time to isolate the area. But, alot of times this is the ABS unit so pull the plug on it and see if that is it. They can be rebuilt or replaced. Ther eis a place in florida that does it for under $200 I think. Or you could get one from a junkyard.
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Thursday, December 2nd, 2010 AT 1:50 AM

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