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TM 9-2320-364-20-2
2-1172
4. WINDSHIELD WIPERS, ENGINE BRAKE AND GAGES DO NOT
OPERATE.
INITIAL SETUP
1.
Repair wire 1072 (see
schematic Fig 2-24)
or notify DS
Maintenance.
Verify repair, go to
Step 5 of this Fault.
START
YES
NO
Engine cranks indicating that
ENGINE switch and wire 1075
are OK.
Wire 1072 faulty.
Wire 1074 faulty.
Wire 1435 between magnetic
switch R25 and ground faulty.
Relay R25 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 22 to 28 vdc are not
measured, wire 1072 is faulty.
2-20. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Are 22 to 28 vdc measured on
wire 1072 at magnetic switch
R25?
WARNING
Read WARNING
on Page 2-1173
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