Generator Inspection: Rectifier

Using an ohmmeter, connect one tester probe to the "B" terminal (1) and the other to each rectifier terminal (2).

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

Fig 2: Connecting One Tester Probe To Negative Terminal And Other To Rectifier Terminal
Courtesy of SUZUKI OF AMERICA CORP.
Reverse the polarity of the tester probes and repeat step 4).
Check that one shows continuity and the other shows no continuity.
If there is continuity, replace the rectifier.