Diode Check
Use an ohmmeter to check diodes at alternator connector. Position test leads as shown in following table and results should be as specified in the table. If results are not as specified, disassemble alternator and check diodes.
DIODE CONTINUITY CHECK
| Ohmmeter Lead Position | ||
|---|---|---|
| Positive | Negative | Results |
| Terminal "A" | Terminal "E" | Continuity |
| Terminal "E" | Terminal "A" | No Continuity |
| Terminal "A" | Terminal "N" | Continuity |
| Terminal "N" | Terminal "A" | No Continuity |
| Terminal "N" | Terminal "E" | Continuity |
| Terminal "E" | Terminal "N" | No Continuity |