TROUBLESHOOTING
TESTING AND ADJUSTING
TM 5-3805-263-14&P-2
25. STARTER MOTOR DOES NOT TURN
Cause
Battery Has Low Output
Wiring or Switch Has Defect
Starter Motor Solenoid Has A
Defect
Starter Motor Has A Defect
Correction
Check condition of battery. Charge battery or make replacement as
necessary.
Make repairs or replacement as necessary.
Install a new solenoid.
Make repair or replacement of starter motor.
26. ALTERNATOR GIVES NO CHARGE
Cause
Loose Drive Belt For Alternator
Charging or Ground Return Circuit
or Battery Connections Have A
Defect
Rotor (Field Coil) Has A Defect
Correction
Make an adjustment to put the correct tension on the drive belt.
Inspect all cables and connections. Clean and tighten all connections.
Make replacement of parts with defect.
Install a new rotor.
27. ALTERNATOR CHARGE RATE IS LOW OR NOT REGULAR
Cause
Correction
Loose Drive Belt For Alternator
Make an adjustment to put the correct tension on the drive belt.
Charging. Ground Return Circuit or
Inspect all cables and connections. Clean and tighten all connections.
Battery Connections Have a Defect
Make replacement of parts with defects.
Alternator Regulator Has A Defect
Make a replacement of alternator regulator.
Rectifier Diodes Have A Defect
Make replacement of rectifier diode that has a defect.
Rotor (Field Coil) Has A Defect
Install a new rotor.
28. ALTERNATOR CHARGE TOG HIGH (AS SHOWN BY LIGHTS BURNING OUT,
BATTERY NEEDS TOO MUCH WATER)
Cause
Alternator or Alternator Regulator
Has Loose Connections
Alternator Regulator Has A Defect
Correction
Tighten all connections to alternator or alternator regulator.
Make a replacement of alternator regulator.
1-35
