CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING-Continued
ENGINE GENERATOR BLOWER MOTOR-Continued
WARNING
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry contacts a metal
surface a direct short may result in instant
heating of tools, damage to equipment, and
injury or death to personnel.
A
Remove powerplant and connect ground-hop kit (see
paragraph 3-1). Disconnect engine wiring harness from
engine blower motor. Place red lead of multimeter in
socket A of wire 415 and black lead to ground. Turn
MASTER switch on start engine and check for voltage.
Turn engine and MASTER switch OFF. If voltage is
present, go to step B. If voltage is not present,
repair/replace wire 415 of engine wiring harness from
blower plug to generator armature terminal (see
paragraph 6-58 for dual voltage; 6-59 for single
voltage).
B
Place red lead of multimeter in socket B of GND wire
and black lead to GND. Check for continuity. If
continuity is present, repair/replace engine generator
blower motor (see paragraph 6-1). If continuity is not
present, repair/replace ground wire of engine wiring
harness (see paragraph 6-58 for dual voltage; 6-59 for
single voltage).
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