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TM 9-2320-364-20-3
2-2792
19. CRANE HIGH IDLE NOT WORKING (CONT).
10.
Is there continuity on HIGH
IDLE switch terminals
between red wire and green
wire?
Replace HIGH IDLE
switch (Para 7-36).
YES
NO
Crane operates.
Red wire from terminal 17 to
relay OK.
Green wire from relay to
ground OK.
Black wire from terminal 3 to
relay OK.
Relay OK.
Blue wire from relay to
diode OK.
Diode OK.
Red wire from diode to HIGH
IDLE switch OK.
Green jumper wire on HIGH
IDLE switch OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If HIGH IDLE switch is faulty,
there will be no continuity.
WARNING
HIGH IDLE switch faulty.
Wire 231 faulty.
Relay R22 faulty.
Black wire from power switch to
HIGH IDLE switch faulty.
HIGH IDLE switch faulty.
Green wire from HIGH IDLE
switch to terminal 17 faulty.
White wire from terminal 17 to
crane connector faulty.
Wire 1737 faulty.
Go to Step 19 of this
Fault.
Read WARNING
on Page 2-2793
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