1997 Chevy Silverado No power to A/C clutch

Tiny
UNSHEATH
  • MEMBER
  • 1997 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 182,000 MILES
Totally new system! New everything! Vaccumed charged pressure switch is good. Fuse is good. I'm lost!
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Tuesday, July 28th, 2009 AT 6:23 PM

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Tiny
RASMATAZ
  • MEMBER
If the compressor does not engage when you turn on the A/C, see if it will run by jumping the compressor clutch wire directly to the battery (use a fused jumper wire). If the compressor works when you jump it, and the A/C blows cold air, the system contains refrigerant and the fault is likely a bad A/C compressor clutch relay or a bad clutch cycling switch or pressure switch.
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Tuesday, July 28th, 2009 AT 6:32 PM

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