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Bench Testing: Rectifier

Using DVOM, check diodes for continuity. See RECTIFIER DIODE CONTINUITY table. See Fig 1. Replace rectifier if not as specified.

RECTIFIER DIODE CONTINUITY

Tester Negative Probe	Tester Positve Probe	Continuity
E	P1, P2, P3 & P4	Yes
B	P1, P2, P3 & P4	No
P1, P2, P3 & P4	E	No
P1, P2, P3 & P4	B	Yes

Fig 1: Testing Rectifier Diodes

Courtesy of MAZDA MOTORS CORP.