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TM 9-2320-364-20-4
2-3040
1. ARCTIC KIT WATER PUMP DOES NOT OPERATE.
INITIAL SETUP
1.
Are 22 to 28 vdc measured on
wire 1644 on water pump?
Go to Step 3 of this
Fault.
START
YES
NO
Arctic batteries OK.
Blackout stoplights operate
indicating CB20 is OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 22 to 28 vdc are not present,
water pump will not operate.
2-36. ARCTIC KIT WATER PUMP 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 9-2320-34-10)
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
WARNING
Wire 1435 faulty.
Water pump faulty.
Wire 1431 from connector
MC119 to CB20 faulty.
Wire 1431 between relays R32
and arctic heater switch
faulty.
Relay R32 faulty.
Arctic heater switch faulty.
Wire 1644 faulty.
Relay R33 not grounded.
Relay R33 faulty.
Wire 1644 to water pump faulty.
Read WARNING
on Page 2-3041
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