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Home >> Pontiac >> 1995 >> Firebird Formula, 2D Convertible, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - System/Component Tests - 5.7L >> Miscellaneous Controls >> A/C Clutch (C-10) & Electric Cooling Fan (C-12) >> A/C Clutch Relay

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. See Figure - Figure . Continuity should exist. Check continuity between clutch drive circuit terminals of relay. Continuity should not exist.
  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.
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