TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
15. LHS DOES NOT OPERATE PROPERLY IN AUTO MODE (CAB ONLY)
(continued).
CONTINUITY TEST
TERMINAL STRIP
(1) Remove hydraulic cabinet
POSITION 3
cover (para 4-60).
(2) Disconnect main frame
junction box connector (P6)
from main junction box.
CAUTION
Electrical power must be
shut off from circuit before
continuity can be checked.
Failure to comply with this
caution may result in dam-
age to test equipment or
electrical system.
(3) Set multimeter to ohms
position.
MAIN FRAME
JUNCTION BOX
NOTE
CONNECTOR (P7)
A reading of infinity indicates
MAIN FRAME
an open circuit.
JUNCTION BOX
HARNESS CONNECTOR (J6)
(4) Connect multimeter to
terminals at each end of wire
and check multimeter for
continuity. Check main LHS
wire harness, position A.
NOTE
Any reading besides infinity
indicates a grounded wire.
(5) Remove multimeter lead from
one end of wire and connect
to chassis ground.
(6) Reinstall main LHS wire
harness connectors (P6) and
MAIN FRAME
JUNCTION BOX
(P7) on main frame junction
HARNESS
box and main junction box.
CONNECTOR (J6)
4-341
