TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
13. MAIN FRAME DOES NOT LOAD IN MANUAL MODE (MODEL A ONLY)
(continued).
5.
KNOWN INFO
TEST OPTIONS
Cab controls OK.
Continuity Test.
Is there continuity
Remote control unit works
measured between the
only on one side of vehicle.
REASON FOR QUESTION
remote linking harness
connector (J8A or J8B)
POSSIBLE PROBLEMS
Signal power is transferred
and the main control
Remote linking harness
from the remote control
box terminal strip, on
faulty.
cable to the main junction
the side that does not
box via the remote linking
operate?
harnesses (one for each
side). If this linking
harness is defective, the
remote control unit will
work on one side of the
vehicle but not the other.
Replace remote
linking harness
NO
(para 4-80 or
4-88).
Fault not corrected.
YES
Notify supervisor.
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