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Page Title:
HIGH WATER TEMP INDICATOR LIGHT DOES NOT OPERATE. |
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 TM 10-3930-673-20-1
2
22. HIGH WATER TEMP INDICATOR LIGHT DOES NOT OPERATE.
INITIAL SETUP
Personnel Required
Tools and Special Tools
Two
Tool Kit, General Mechanic's: Automotive
(Item 18, Appendix F)
References
STE/ICE-R (Item 17, Appendix F)
TM 10-3930-673-10
Multimeter, Digital (Item 9, Appendix F)
TM 9-4910-571-12&P
Equipment Condition
Engine shut down (TM 10-3930-673-10)
Parking brake on (TM 10-3930-673-10)
Wheels chocked (TM 10-3930-673-10)
START
WARNING
1
KNOWN INFO
TEST OPTIONS
Read WARNING on
High water temp.
Voltage test.
following page.
Other gage lights work.
STE/ICE-R #89.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Is 12 vdc present at high
Bulb faulty.
This question eliminates possible
water temp indicator light
Engine water temperature switch
problems and determines where
socket?
faulty.
troubleshooting continues.
Wire 14 faulty.
Wire 2 faulty.
Resistor faulty.
Wire 10 faulty.
Go to Step 6 of this
NO
fault.
YES
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