TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
16. MAIN FRAME, HOOK ARM, AND WINCH DO NOT OPERATE (continued).
CONTINUITY TEST
CAUTION
Electrical power must be shut
off from circuit before continuity
can be checked. Failure to
comply with this caution may
CAB CONTROL BOX
result in damage to test
CONNECTOR (P2)
equipment or electrical
system.
(1) Disconnect main junction box
connector (P4) from junction box.
(2) Set multimeter to ohms position.
NOTE
A reading of infinity indicates an open
circuit.
(3) Connect multimeter to leads at each
end of wire and check multimeter for
continuity. Check (24-pin) linking
harness, positions A and N.
NOTE
Any reading besides infinity indicates
a grounded wire.
(4) Remove multimeter lead from one end
of wire and connect to chassis
ground.
MAIN JUNCTION BOX
CONNECTOR (P4)
4-373
