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2007 Buick La Crosse Starting/electrical

Tiny
RRADER
  • MEMBER
  • 2007 BUICK LA CROSSE
  • 0.8L
  • 6 CYL
  • RWD
  • AUTOMATIC
  • 220,000 MILES
My car won't start after its sits for a day or two. It has a brand new top of the line battery and when it's running its sounds fine. It's almost like something is on and it's pulling power from the battery but we have. Checked everything.
Tuesday, February 24th, 2015 AT 9:53 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If the battery is dead when you try to start hten unplug abs connector may be abs unit bad. Or you can test by going to repair-electrical-battery item 9
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Tuesday, February 24th, 2015 AT 12:32 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Just to add to this one if the battery is dieing with it off then you have a excessive parasitic draw.I would have the alternator tested it could have a bad diode trio causing a draw. Also a parasitic draw test will have to be performed. I have seen window switches killing battery's the strangest things can do it trunk lights door switches who knows.
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Tuesday, February 24th, 2015 AT 12:36 PM

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