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Negative rectifier

  1. Using an ohmmeter, connect one tester probe to negative terminal (1) and the other to each rectifier terminal (2).
  2. Reverse the polarity of the tester probes and repeat Step  1.
  3. Check that one shows continuity and the other shows no continuity. If there is continuity, replace the rectifier.
    Fig 1: Connecting One Tester Probe To Negative Terminal & Other To Rectifier Terminal
    G04807742Courtesy of SUZUKI OF AMERICA CORP.