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
8.
TEST OPTIONS
Continuity Test.
Cab controls and remote
Is there continuity
control inoperative.
measured on the (24-
Cab control box OK.
pin) linking harness
REASON FOR QUESTION
between cab control
POSSIBLE PROBLEMS
During both cab and
box connector (P2)
remote control operation,
and main junction box
Linking harness faulty.
this harness provides
connector (P4)?
Main junction box wiring
power to the main frame
faulty.
UNLOAD solenoid.
Main frame UNLOAD
solenoid harness faulty.
Replace (24-pin)
linking wire
NO
harness (para
YES
Change 1
4-282
