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TM 10-3930-669-20
2-14. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
11. REAR WIPER DOES NOT OPERATE IN LOW.
INITIAL SETUP
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Item 1, Appendix B)
Multimeter (Item 2, Appendix B)
STE/ICE-R (Optional) (Item 14, Appendix B)
References
TM 10-3930-669-10
Equipment Condition
Engine OFF (TM 10-3930-669-10)
MAIN POWER switch OFF (TM 10-3930-669-10)
Parking brake applied (TM 10-3930-669-10)
Wheels chocked (TM 10-3930-669-10)
NOTE
The following procedure covers rear wiper switch LOW position, but the general steps can be
used for top and front wiper switches and HIGH position for all wiper switches.
KNOWN INFO
TEST OPTIONS
Rear wiper operates in HIGH
position.
Continuity test.
STE/ICE-R #91.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Rear wiper switch faulty.
Wire 47 faulty.
Wiper motor faulty.
If continuity is not present,
rear wiper switch is faulty.
2-184
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