TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
8.
OIL TEMPERATURE LIGHT DOES NOT OPERATE PROPERLY (MODEL A ONLY)
(continued).
ACCESS
VOLTAGE TEST
COVER
(1) Remove four screws and
lockwashers and access cover
from heater compartment.
(2) Remove cab control box
connector (P2) from cab
control box.
(3) Turn engine start switch to ON
position.
(4) Turn light control switch to
CAB
STOP LIGHT position.
CONTROL
(5) Set multimeter to voltage
BOX
position.
(6) Place positive (+) probe of
CAB CONTROL BOX
multimeter on position N of cab
CONNECTOR (J2)
control box connector (J2).
(7) Place negative (-) probe of
multimeter on known good
ground, and check multimeter
for voltage reading.
(8) Turn engine start switch and
light control switches to OFF
position.
CAB CONTROL BOX
CONNECTOR (P2)
4-139
Change 1
