TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
14. MAIN FRAME DOES NOT UNLOAD IN MANUAL MODE (MODEL A ONLY)
(continued).
KNOWN INFO
5.
TEST OPTIONS
Cab controls OK.
Continuity Test.
Is there continuity
Remote control unit
measured between the
works only on one side of
remote linking harness
REASON FOR QUESTION
vehicle.
connector (JA8 or J8B)
Signal power is transferred
and the main control
POSSIBLE PROBLEMS
from the remote control
box terminal strip, on
Remote linking harness
cable to the main junction
the side that does not
faulty.
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
Fault not corrected.
YES
Notify supervisor.
Change 1
