CL 63 AMG (216.377) V8-6.3L (156.984) (2008)
Rectifier Diode / Bridge: Testing and Inspection
AR15.40-P-9301-02SX Test alternator diodes
Connection diagram shown for model 230
1
Connect up engine tester (030) with current clamp (065) according to connection diagram
2
Start engine.
3
Switch on low beams.
4
Assess diode harmonics at 3000 rpm (engine speed).
Example: Diode harmonics in order (voltage spikes possible, but not significant)
Example: Diode harmonics in order (voltage spikes possible, but not significant)