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
13.
TEST OPTIONS
Remote control does not
Is continuity measured
Continuity Test.
work at either side.
on the (9-pin) linking
Remote control unit OK.
harness between the 9-
REASON FOR QUESTION
Remote control cable
pin linking harness
During remote control
OK.
connector (P5) and the
operation, this harness
Main junction box wiring
9-pin linking harness
provides power to the
OK.
connector (P3)?
main frame UNLOAD
POSSIBLE PROBLEMS
solenoid via the cab
control box.
Linking harness faulty.
Cab control box faulty.
Replace (9-pin) linking
harness (para 4-70).
NO
YES
Change 1
4-292
