Test
Diode
Trio
Assembly:
Using a commercial diode tester or
12
volt DC test lamp; check for continuity from each terminal
separately to the
0+
stud; continuity should be observed
in
one direction (polarity) only, and all
diodes should check alike. If any diode is defective replace the entire diode trio assembly. See
illustration below.
COMMERCIAL
DlOOE
TESTER
~----D+
STUD
L...---t~:r
(IND.
LIGHT
TERMINAL)
TESTING DIODE-TRIO
Test
Diode Rectifier Bridge Assembly:
Using a commercial diode tested, check for continuity. Check betweenn
pOint
A and each of three
terminals C for negative diodes. Continuity should
be
observed
in
one direction (polarity) only, and
all diodes should check alike. Then check between point B (B+ strap) and each of the three
terminals C for positive diodes. Continuity should be observed in one direction only, and all diodes
should check alike. See illustration below.
If
any diode is defective, replace the entire diode rectifier bridge assembly.
e
Q
COMMERCIAL
DIODE
TESTER
TESTING RECTIFIER BRIDGE
70
e
9
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