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TM 10-3930-669-20
2-14. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
26. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE.
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)
KNOWN INFO
Engine operates.
POSSIBLE PROBLEMS
Batteries faulty.
Alternator faulty.
Alternator power wire faulty.
Wire 34 faulty.
Relay R1 ground wire faulty.
Relay R1 faulty.
Regulator faulty.
TEST OPTIONS
STE/ICE-R #73 and #75.
REASON FOR QUESTION
Batteries
may
not
have
capacity to crank engine even
though 12 and 24 vdc may be
measured.
¬
2-282
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