Universal M-25XP User Manual

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
DIODE TESTER
L-.ulf"-:::::-: D+ STUD- -
(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
g
TESTING RECTIFIER BRIDGE
90
e
9

Universal M-25XP Specifications

General

Brand	Universal
Model	M-25XP
Category	Engine
Language	English