Yamaha EF3000iSE Service Manual page 252

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5. Rectifier
• Disconnect the rectifier connector.
• Connect the pocket tester (Ω × 1) to the
rectifier.
• Check the rectifier for continuity.
Normal
Tester positive lead →
White 1
Tester negative lead →
Tester positive lead →
Tester negative lead →
White 1
1
2
SWL4135
6. Wire harness (charging system)
Check the terminal of the connector for
contamination or rust, and the connector
for proper connection.
C0NTINUITY
Continuity
Red 2
Red 2
No Continu-
ity
CONTINUITY
CHARGING SYSTEM
NO CONTINUITY
Replace the rectifier.
DISCONNECTED
Correct or replace the connector.
4-19
– +
ELEC