CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19
ELECTRICAL TROUBLESHOOTING-Continued
DOME LIGHTS-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.
H
Place red lead of multimeter in socket A of wire 38/59
and black lead to ground. Turn MASTER switch on
and check for voltage. Turn MASTER switch OFF. If
voltage is present, go to step J. If voltage is not
present, reconnect electrical accessories panel wiring
harness to electrical accessories panel and go to step
I.
I
Open air inlet doors (TM 9-2350-256-10). Disconnect
wire 48 pin A from bulkhead to master relay wiring
harness. Place red multimeter lead in socket and
black lead to ground. Turn MASTER switch on and
check for voltage. If voltage is present,
repair/replace switch panel, radio, and bilge pump to
bulkhead wiring harness (see paragraph 6-53). If
voltage is not present, troubleshoot master relay
circuit (see paragraph 2-19, master relay fails to
operate).
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