CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING-Continued
MECHANICAL TRANSMISSION OIL PRESSURE LIGHT-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 three screws (1), three lockwashers (2), two
screws (3), two lockwashers (4), and ground strap (5),
and release gage panel (6) from mounting brackets.
Disconnect connector from MECH TRANSMISSION OIL
PRESSURE light. Place red lead of multimeter in wire
27E and black lead to ground. Turn MASTER switch on,
and check for voltage. Turn MASTER switch OFF. If
voltage is present, go to step K. If voltage is not present,
go to step B.
B Reconnect connector to MECH TRANSMISSION OIL
PRESSURE light. Disconnect gage panel to bulkhead
wiring harness from gage panel. Place red lead of
multimeter in socket K of wire 27 and black lead to
ground. Turn MASTER switch on and check for voltage.
Turn MASTER switch OFF. If voltage is present,
repair/replace wire 27/27K of gage panel wiring harness
(see paragraph 6-44). If voltage is not present, go to step
C.
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