TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
16. MAIN FRAME, HOOK ARM, AND WINCH DO NOT OPERATE (continued).
VOLTAGE TEST
(1) Remove four screws and
lockwashers and access cover
from heater compartment.
(2) Remove cab control box connector
(P2) from cab control box.
CAB CONTROL BOX
CONNECTOR (J2)
(3) Turn engine start switch to ON
position.
(4) Turn light control switch to STOP
LIGHT position
(5) Set multimeter to voltage position.
(6) Place positive (+) probe of
multimeter on position N of cab
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 switch to OFF position.
CAB CONTROL BOX
CONNECTOR (P2)
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