FixVault
Home › Chevrolet › 1986 › Nova CL, 4D Hatchback, Automatic › Repair and Diagnosis › Engine Performance › System › Feedback Carburetor CEC System › Testing › Cold Mixture Heater System › CHM Relay

CHM Relay

  1. Check for continuity between terminals 1 and 2. Check that there is no continuity between terminals 3 and 4. See Fig 1 .
    Fig 1: Checking CMH Relay
    G5004
  2. Check for continuity between terminals 3 and 4 with battery voltage applied to terminal 1 with terminal 2 grounded.
About FixVault