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TM 9-2320-364-20-2
2-1482
35. ENGINE BRAKE DOES NOT OPERATE IN HIGH.
INITIAL SETUP
1.
Go to Step 3 of this
Fault.
START
YES
NO
Low engine brake (left hand)
operates.
Engine brake harness faulty.
Wire 1714 faulty.
Engine brake switch faulty.
Wire 1715 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 10 to 14 vdc are not
measured, engine brake will not
operate in high.
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)
Personnel Required
Two
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Top engine access cover opened,
(TM 9-2320-364-10)
Right side noise panel removed, (Para 17-26)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Are 10 to 14 vdc measured on
wire 1715 at engine brake
harness connector end?
WARNING
Read WARNING
on Page 2-1483
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