1999 GMC C2500 location of power trane module

1999 GMC C2500
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Transmission problem
1999 GMC C2500 V8 Four Wheel Drive Automatic

wont shift gears if air cond. fan wont blow on high,where is power trane module if that problem,thanks
Jun 29, 2010 at 11:27 AM
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BLUELIGHTNIN6
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PCM is behind right side of dash, near the blower motor
Jun 30, 2010 at 7:54 AM