1999 - 2006 (GMT800) Section for all discussion related to the 1999-2006 Chevrolet and GMC trucks.

AC clutch stuck on

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Old Jun 23, 2023 | 8:48 AM
  #11  
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Originally Posted by Obxer@2360
AC button stays lit but clutch goes off.If I push ac button off in other modes light goes off clutch stays on
Obxer@2360,

Are you sure this is accurate? If so, then things are working in reverse of what they should be. It should be light ON Clutch ON. Light OFF Clutch OFF.
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Old Jun 23, 2023 | 1:00 PM
  #12  
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Originally Posted by chem_man
Obxer@2360,

Are you sure this is accurate? If so, then things are working in reverse of what they should be. It should be light ON Clutch ON. Light OFF Clutch OFF.
When ac light is on clutch is on until you put selector in floor mode clutch goes off.when ac button is turned off in all modes clutch continues to run never shuts ac off
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Old Jun 25, 2023 | 9:03 AM
  #13  
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It sounds like something is shorted such that the clutch remains engaged at virtually all times. Have you checked the AC relay?

If the AC relay is OK, then perhaps the HVAC controller is bad.

Good Luck!
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Old Jun 25, 2023 | 10:03 AM
  #14  
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Originally Posted by chem_man
It sounds like something is shorted such that the clutch remains engaged at virtually all times. Have you checked the AC relay?

If the AC relay is OK, then perhaps the HVAC controller is bad.

Good Luck!
I will check them thanks
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