2001 GMC Sierra DEAD batterie

Tiny
JOHNNY63_J
  • MEMBER
  • 2001 GMC SIERRA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 12,000 MILES
I have a 2001 GMC truck !500 . The batterie has been changed twice. The one in the truck is only 90 days old. I ran a test on it it's good . The alternater is produceing 14-14.5 volts. But if the truck sits for 4-more days the truck will not start. The windows and door locks are NOT eletical , nor are the seats. The day time running lights have never workd, the head lights come one when the truck is started in the daytime. DEAD batter.


help ! ! ! ! ! !
Thursday, January 1st, 2009 AT 6:52 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You probably have a short circuit in the electrical system that's eating the battery up overnite-Do the battery drain test below


https://www.2carpros.com/forum/automotive_pictures/12900_parastic_draw_1_58.jpg

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Thursday, January 1st, 2009 AT 5:10 PM

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