TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
13. MAIN FRAME DOES NOT LOAD IN MANUAL MODE (MODEL A ONLY)
(continued).
13.
KNOWN INFO
TEST OPTIONS
Is continuity measured
Continuity Test.
Remote control does not
on the (9-pin) linking
work at either side.
harness between the 9-
Remote control unit OK.
REASON FOR QUESTION
pin linking harness
Remote control cable
During remote control
connector (P5) and the
OK.
operation, this harness
9-pin linking harness
Main junction box wiring
provides power to the
box connector (P3)?
OK.
main frame LOAD
POSSIBLE PROBLEMS
solenoid via the cab
control box.
Linking harness faulty.
Cab control box faulty.
Replace (9-pin)
linking harness
NO
YES
Change 1
