Ford Corsar Repair Manual page 842

CHARGING SYSTEM Alternator-
p%q
Diode Check
MAIN DIODES
Use an ohmmeter to check condition of diodes as indicated in chart below.
If any of the test results is not satisfactory, replace diode assembly.
c i n a l
Positive diode
plate SE L768D
Continuity
Yes
No
No
Yes
Ohmmeter probes
SUB-DIODES
Attach ohmmeter's probe to each end of diode to check for
continuity.
Continuity is N.G.
...
Replace diode assembly.
Negative
@
Diode terminals
Positive diode plate
Diode terminals
Negative diode plate
Positive
@
Diodes check (Positive side)
Diodes check (Negative side)
Positive diode plate
Diode terminals
Negative diode plate
Diode terminals