REFERENCE INFORMATION
INSTRUMENTS CIRCUIT
None of the following instruments and
accessories should work when the fOtary
switch is in the STOP position:
Voltmeter
Wait-to-start lamp
Temperature gauge
Oil pressure gauge
Fuel gauge
Wrndshield wiper/washer
Brake warning tamp
If any of the instruments and accessories
work when the rotary switch is in the RUN
position, power is available and the circuit
I
breaker is OK
The wait-to-start tamp is not an accurate
indication of glow plug operation. Make sure
the glow plugs are Operating PrOPeIfY
BEFORE you check out the light. Go to the
glow plugs circuit tests, page 2-289. Return
here if the light still doesn’t operate property.
The wait-to-start lamp should come on when
the engine is below 120°F (49%) and the
rotary switch is first turned to the RUN
position.
BRAKE \
lli
NARNING
LMMP
WATT-TO
--- ”
TM 9-2320-387-24-I
ENGINE
2-307
