A/C Clutch Relay

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 -Fig 25 .
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: 2.0L TBI A/C Clutch Schematic (Sunbird)

G90F01200

Courtesy of GENERAL MOTORS CORP.

Fig 2: 2.2L A/C Clutch Schematic (Beretta & Corsica)

G90J01202

Courtesy of GENERAL MOTORS CORP.

Fig 3: 2.2L A/C Clutch Schematic (Cavalier)

G90B01203

Courtesy of GENERAL MOTORS CORP.

Fig 4: 2.3L A/C Clutch Schematic (Beretta)

G90D01204

Courtesy of GENERAL MOTORS CORP.

Fig 5: 2.3L A/C Clutch Schematic (Cutlass Calais, Grand Am & Skylark)

G90G01205

Courtesy of GENERAL MOTORS CORP.

Fig 6: 2.3L A/C Clutch Schematic (Cutlass Supreme & Grand Prix)

G90I01206

Courtesy of GENERAL MOTORS CORP.

Fig 7: 2.5L A/C Clutch Schematic (Cutlass Calais, Grand Am & Skylark)

G90A01207

Courtesy of GENERAL MOTORS CORP.

Fig 8: 2.5L A/C Clutch Schematic (Century, Cutlass Ciera & Cutlass Cruiser)

G90C01208

Courtesy of GENERAL MOTORS CORP.

Fig 9: 2.5L A/C Clutch Schematic (Lumina)

G91F05566

Courtesy of GENERAL MOTORS CORP.

Fig 10: 3.1L A/C Clutch Schematic (Beretta & Corsica)

G91G05576

Courtesy of GENERAL MOTORS CORP.

Fig 11: 3.1L A/C Clutch Schematic (Camaro & Firebird)

G90I01211

Courtesy of GENERAL MOTORS CORP.

Fig 12: 3.1L A/C Clutch Schematic (Cavalier)

G90A01212

Courtesy of GENERAL MOTORS CORP.

Fig 13: 3.1L A/C Clutch Schematic (6000)

G90C01213

Courtesy of GENERAL MOTORS CORP.

Fig 14: 3.1L & 3.4L A/C Clutch Schematic (Regal Prior to VIN 800,000)

G90E01214

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Fig 15: 3.1L & 3.4L A/C Clutch Schematic (Cutlass Supreme, Grand Prix, Lumina & Regal After VIN 799,999)

G91H05586

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Fig 16: 3.3L A/C Clutch Schematic (Century)

G90J01216

Courtesy of GENERAL MOTORS CORP.

Fig 17: 3.3L A/C Clutch Schematic (Skylark)

G90B01217

Courtesy of GENERAL MOTORS CORP.

Fig 18: 3.8L A/C Clutch Schematic (Ninety-Eight, Park Avenue & Touring Sedan With Digital A/C Display)

G91E07522

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Fig 19: 3.8L A/C Clutch Schematic (Ninety-Eight, Park Avenue & Touring Sedan Without Digital A/C Display)

G91F07527

Courtesy of GENERAL MOTORS CORP.

Fig 20: 3.8L A/C Clutch Schematic (Reatta & Riviera)

G91G07523

Courtesy of GENERAL MOTORS CORP.

Fig 21: 3.8L A/C Clutch Schematic (Toronado & Trofeo)

G91I07524

Courtesy of GENERAL MOTORS CORP.

Fig 22: 3.8L A/C Clutch Schematic (Bonneville, Eighty-Eight & LeSabre)

G91B07525

Courtesy of GENERAL MOTORS CORP.

Fig 23: 3.8L A/C Clutch Schematic (Regal)

G91D07526

Courtesy of GENERAL MOTORS CORP.

Fig 24: 4.9L A/C Clutch Schematic (Eldorado & Seville)

G91E07659

Courtesy of GENERAL MOTORS CORP.

Fig 25: 5.7L A/C Clutch Schematic (Corvette)

G91H05647

Courtesy of GENERAL MOTORS CORP.