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2002 GMC Sonoma ECM

Tiny
100THOMPSON
  • MEMBER
  • 2002 GMC SONOMA
  • 4 CYL
  • 2WD
  • MANUAL
  • 197,000 MILES
I do not have power to the diagnostic connection for the scanner tool. I have checked every fuse in both fuse panels. The scanner will read codes if I put a battery in it but it will not clear the codes. The truck runs fine (although the check engine light is on). I tried the scanner in another truck and it worked as it should have, powered by the diagnostic connection. Were does the diagnostic connection get power from in an s-10?
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Tuesday, October 5th, 2010 AT 9:11 PM

3 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check if your cigarette light working as the should be on the same fuse
fuse # 2 with key on it should have power on both side use a test light and check it


https://www.2carpros.com/forum/automotive_pictures/99387_2_2.jpg



https://www.2carpros.com/forum/automotive_pictures/99387_1_2.jpg

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Wednesday, October 6th, 2010 AT 5:50 AM
Tiny
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THANK YOU.
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Wednesday, October 6th, 2010 AT 12:46 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Welcome
thank you for the donation
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Wednesday, October 6th, 2010 AT 1:02 PM

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