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1998 Plymouth Voyager A/C Clutch will not engage

Tiny
PD107Q
  • MEMBER
  • 1998 PLYMOUTH VOYAGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 74,000 MILES
My 98 Plymouth Gran Voyager A/C clutch will not engage. The system has adequate refergerant. Trouble shooting has revealed that the A/C clutch relay solenoid does not have a ground. The Plymouth service manual states that the PCM operates the clutch relay ground circuit. I am assuming that I need to replace the PCM, but before I buy one I would like to have a second opinion that it is the PCM.

Thanks,
James Gorman
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Saturday, May 29th, 2010 AT 1:30 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
When the PCM grounds the coil side of the AC clutch relay it powers the magnetic clutch to engage the compressor


https://www.2carpros.com/forum/automotive_pictures/12900_ac_relay_clutch_1.jpg

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Saturday, May 29th, 2010 AT 6:49 PM

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