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Stalling

Tiny
TFBEST
  • MEMBER
  • 2003 GMC C1500
  • V8
  • 4WD
  • AUTOMATIC
2003 GMC Sierra 1500. Originally needed boost to start, then stalled out 1 mile later after braking. Replaced battery now Starts no problem, idles fine but when revved then released the lights dim and battery dips to a quarter of the gauge. Lights also dim when switching into gear but as long as we give it gas it won't stall. Will drive okay but stalls on braking. Battery, alternator and Fuel Filter all brand new.
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Wednesday, February 2nd, 2011 AT 5:30 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the charging system checked out especially the computer controlled of the alternator's field generation circuit-
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Wednesday, February 2nd, 2011 AT 6:10 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Need to test ALT whether new or not seems charging problem
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Wednesday, February 2nd, 2011 AT 6:10 PM
Tiny
TFBEST
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  • 2 POSTS
Alternator tested fine.
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Wednesday, February 2nd, 2011 AT 6:17 PM

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