1999 GMC C2500 power train module

1999 GMC C2500
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HBARTLEY
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  • 1 POST
Transmission problem
1999 GMC C2500 V8 Four Wheel Drive Automatic

will not shift gears if air conditioning fan wont blow on high,crazy!
Jun 29, 2010 at 11:15 AM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
If you have a check engine light, then have codes read at most autoparts stores for free.
Aug 7, 2010 at 8:56 AM
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