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TM 10-3930-669-20
2-14. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
22. TRANSMISSION DOES NOT OPERATE IN FORWARD OR REVERSE.
INITIAL SETUP
Tools and Special Tools
Equipment Condition
Tool Kit, General Mechanic's: Automotive
Engine OFF (TM 10-3930-669-10)
(Item 1, Appendix B)
MAIN POWER switch OFF (TM 10-3930-669-10)
Multimeter (Item 2, Appendix B)
Parking brake applied (TM 10-3930-669-10)
STE/ICE-R (Optional) (Item 14, Appendix B)
Wheels chocked (TM 10-3930-669-10)
References
TM 10-3930-669- 10
KNOWN INFO
All 24 Vdc circuits operate.
Fuse 3 OK.
HIGH Range Indicator
operates.
POSSIBLE PROBLEMS
Master cylinder pressure
switch faulty.
Wire 10B faulty.
Diode module DM1 faulty.
Wire 10 faulty.
Interlock switch faulty.
Wire 10A faulty.
TEST OPTIONS
Voltage test.
STE/ICE-R #89.
REASON FOR QUESTION
This question eliminates a
possible problem or group of
possible problems determining
where troubleshooting
continues.
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