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2002gmc seirra


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67chevy
New User

Sep 17, 2012, 8:39 PM

Post #1 of 4 (1389 views)
2002gmc seirra Sign In

2002 gmc Sierra battery light comes on.but the ac doesn't work and the odometer and shift indicater doesn't work. But if you don't turn the key all the way over the shift indicater will work.any clues on this problem?


nickwarner
Veteran / Moderator
nickwarner profile image

Sep 17, 2012, 9:03 PM

Post #2 of 4 (1372 views)
Re: 2002gmc seirra Sign In

Your info is pretty vague. Are you saying this truck runs or will not start at all? First thing you need to be looking at is the battery connections being clean and the battery fully charged. Then you need to have that battery tested to see if its any good.


67chevy
New User

Sep 17, 2012, 9:08 PM

Post #3 of 4 (1368 views)
Re: 2002gmc seirra Sign In

The truck starts fine and runs and shifts good. I tightens battery cables and I checked the fuses they were good. All the lights work radio, speedo all work. Just the ac and shift indicator dont


nickwarner
Veteran / Moderator
nickwarner profile image

Sep 19, 2012, 6:20 PM

Post #4 of 4 (1341 views)
Re: 2002gmc seirra Sign In

You'll need a high-end scan tool to look into the body module and check for codes. Yep, even the body has a computer now.






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