CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19
ELECTRICAL TROUBLESHOOTING--Continued
ENGINE GENERATOR (DUAL VOLTAGE SYSTEM]--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.
C
Disconnect electrical accessories panel wiring harness
from electrical accessories panel. Place red lead of
multimeter in socket C of wire 1 and black lead to
ground. Turn MASTER switch on and check for
voltage. Turn MASTER switch OFF. If voltage is
present, go to step D. If voltage is not present, go to
step E.
D
Disconnect wire 1 (from socket C) of electrical
accessories panel wiring harness from switch panel to
neutral safety to bulkhead wiring harness. Place red
lead of multimeter on male connector of wire 1 and
black lead to ground. Turn MASTER switch on, start
engine, open generator cutout switch and check for
voltage. Turn engine and MASTER switch OFF, and
close generator cutout switch. If voltage is present,
repair/replace wire 1 of electrical accessories panel
wiring harness (see paragraph 6-47). If voltage is not
present, go to step F.
E
Reconnect bulkhead to engine wiring harness and
starter relay wiring harness to bulkhead disconnect.
Disconnect wire 1 of bulkhead to engine bracket and
rear fuel tank transmitter wiring harness (from engine
voltage regulator) from bulkhead to engine wiring
harness and starter relay wiring harness. Place red
lead of multimeter on male connector of wire 1 and
black lead to ground. Turn MASTER switch on, start
engine, open generator cutout switch and check for
voltage. Turn engine and MASTER switch OFF and
close generator cutout switch. If voltage is present,
repair/replace wire 1 of bulkhead to engine wiring
harness and starter relay wiring harness (see
paragraph 6-72). If voltage is not present, go to step
F.
2-126