TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
ELECTRICAL TROUBLESHOOTING QUICK GUIDE
(Sheet 1 of 3)
ITEM
PROBLEM
REFERENCE
ENGINE
1. WILL NOT CRANK
See page 2-74.
2. CRANKS SLOWLY
See page 2-80.
3. CRANKS, BUT WILL NOT START
See page 2-81.
4. CHARGES TOO MUCH OR NOT ENOUGH
See ALTERNATOR TESTING/
ADJUSTING, page 2-255.
STARTING AID
5. COLD WEATHER STARTING AID DOES NOT WORK
See page 2-86.
CAB
6. NO POWER TO INDICATOR LIGHTS, SERVICE LIGHTS, ETC.
See page 2-90.
HEATERS
7. FLOOR HEATER BLOWER MOTOR DOES NOT WORK
See page 2-92.
8. CEILING HEATER/DEFROSTER BLOWER MOTOR DOES NOT
See page 2-94.
WORK
HORNS
9. FRONT WARNING HORNS DO NOT WORK
See page 2-95.
See page 2-96.
10. OPERATOR AUDIBLE WARNING HORN DOES NOT' WORK
Go on to Sheet 2
