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A/C Clutch Relay

  1. Disconnect A/C clutch relay harness connector. Using proper mini-schematic and an ohmmeter, check continuity between A/C clutch relay winding terminals. Continuity should exist. Check continuity between clutch drive circuit terminals of relay. Continuity should not exist. See Fig 1-38.
  2. Using jumper wires, apply ground and battery voltage to relay winding of relay. Continuity should now exist between clutch drive circuit terminals of relay. Replace A/C clutch relay if readings are not as specified.
Fig 1: Sunbird 2.0L TBI A/C Clutch Schematic
G90F01200Courtesy of GENERAL MOTORS CORP.
Fig 2: Sunbird 2.0L PFI A/C Clutch Schematic
G90H01201Courtesy of GENERAL MOTORS CORP.
Fig 3: Beretta & Corsica 2.2L A/C Clutch Schematic
G90J01202Courtesy of GENERAL MOTORS CORP.
Fig 4: Cavalier 2.2L A/C Clutch Schematic
G90B01203Courtesy of GENERAL MOTORS CORP.
Fig 5: Beretta 2.3L A/C Clutch Schematic
G90D01204Courtesy of GENERAL MOTORS CORP.
Fig 6: Calais, Grand Am & Skylark 2.3L A/C Clutch Schematic
G90G01205Courtesy of GENERAL MOTORS CORP.
Fig 7: Cutlass Supreme & Grand Prix 2.3L A/C Clutch Schematic
G90I01206Courtesy of GENERAL MOTORS CORP.
Fig 8: Cutlass Calais, Grand Am & Skylark 2.5L A/C Clutch Schematic
G90A01207Courtesy of GENERAL MOTORS CORP.
Fig 9: Celebrity, Century & Cutlass Cruiser 2.5L A/C Clutch Schematic
G90C01208Courtesy of GENERAL MOTORS CORP.
Fig 10: Lumina 2.5L A/C Clutch Schematic
G90E01209Courtesy of GENERAL MOTORS CORP.
Fig 11: Beretta & Corsica 3.1L A/C Clutch Schematic
G90G01210Courtesy of GENERAL MOTORS CORP.
Fig 12: Camaro & Firebird 3.1L A/C Clutch Schematic
G90I01211Courtesy of GENERAL MOTORS CORP.
Fig 13: Cavalier 3.1L A/C Clutch Schematic
G90A01212Courtesy of GENERAL MOTORS CORP.
Fig 14: Celebrity & 6000 3.1L A/C Clutch Schematic
G90C01213Courtesy of GENERAL MOTORS CORP.
Fig 15: Cutlass Supreme, Grand Prix & Regal 3.1L A/C Clutch Schematic
G90E01214Courtesy of GENERAL MOTORS CORP.
Fig 16: Lumina 3.1L A/C Clutch Schematic
G90H01215Courtesy of GENERAL MOTORS CORP.
Fig 17: Century 3.3L A/C Clutch Schematic
G90J01216Courtesy of GENERAL MOTORS CORP.
Fig 18: Skylark 3.3L A/C Clutch Schematic
G90B01217Courtesy of GENERAL MOTORS CORP.
Fig 19: Bonneville, Delta 88, Electra, LeSabre, Ninety-Eight & Park Avenue 3.8L A/C Clutch Schematic
G90D01218Courtesy of GENERAL MOTORS CORP.
Fig 20: Corvette 5.7L A/C Clutch Schematic
G90F01219Courtesy of GENERAL MOTORS CORP.