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CHM Relay

  1. Check that there is continuity between terminals No. 1 and 2. Check that there is no continuity between terminals No. 3 and 4. See Fig 1 .
    Fig 1: Checking CMH Relay
    G57033
  2. Check for continuity between terminals No. 3 and 4 with battery voltage applied to terminal No. 1 with terminal No. 2 grounded.
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