CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING-Continued
GENERATOR INDICATOR GAGE--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.
E Place red lead of multimeter on pin N of wire 10/15 and
black lead to ground. Turn MASTER switch on and
check for voltage. Turn MASTER switch OFF. If
voltage is present, go to step F. If voltage is not
present, go to step H.
F Reconnect switch panel to gage panel and miscell-
aneous switches wiring harness to main switch panel.
Disconnect wire 25/27 from 15 A circuit breaker. Place
red lead of multimeter on circuit breaker terminal and
black lead to ground. Turn MASTER switch on and
check for voltage. Turn MASTER switch OFF. If
voltage is present, repair/replace wire 27 of main
lighting and B. O. selector switch wiring harness (see
paragraph 6-69). If voltage is not present, go to step G.
G Reconnect wire 25/27 to 15 A circuit breaker. Discon-
nect wire 10 from 15 A circuit breaker. Place red lead
of multimeter in wire 10 and black lead to ground. Turn
MASTER switch on and check for voltage. Turn
MASTER switch OFF. If voltage is present, replace 15
A circuit breaker (see paragraph 6-10). If voltage is not
present, repair/replace wire 10 of main lighting and B.
O. selector switch wiring harness (see paragraph 6-69).
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