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Home >> Buick >> 1996 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests 5.7L >> Miscellaneous Controls >> A/C Clutch (C-10) >> A/C Clutch Relay

A/C Clutch Relay

  1. Disconnect A/C clutch relay harness connector. See A/C COMPRESSOR CLUTCH RELAY LOCATION  table. Using proper wiring diagram and an ohmmeter, check continuity between A/C clutch relay winding terminals. See appropriate WIRING DIAGRAMS article. 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.
A/C COMPRESSOR CLUTCH RELAY LOCATION

Application Location
Caprice, Impala SS & Roadmaster In Fuse/Relay Block, On Right Rear Of Engine Compartment
Fleetwood (1) In Underhood Electrical Center, On The Right Front Wheelwell
(1) For diagnosis, refer to A/C-HEATER SYSTEM article in the AIR CONDITIONING & HEAT section.