CUMMINS N14 - Alternator Not Charging or Insufficient Charging

Alternator Not Charging or Insufficient Charging
Cause Corrections
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Alternator Belt Loose
OK
f
Check belt tension. Refer to Procedure 6-04.
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Battery Cable or Connection Loose,
Broken or Corroded (Excessive
Resistance)
OK
f
Check battery cables and connections.
Refer to Procedure 6-02.
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Batteries Failed
OK
f
Check battery condition. Refer to
Procedure 6-01.
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Alternator Pulley Loose on Shaft
OK
f
Tighten pulley.
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Vehicle Gauge Malfunctioning
OK
f
Check vehicle gauge. Refer to the
vehicle manufacturer’s service manual.
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Alternator and/or Voltage Regulator
Malfunctioning
OK
f
Replace alternator and/or voltage regulator.
Refer to the vehicle manufacturer’s service
manual.
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System Electrically ‘‘Open’’ (Blown
Fuses, Broken Wires, Loose
Connections)
OK
f
Check connections, fuses, and wiring.
Refer to the manufacturer’s wiring
diagrams.
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Battery Temperature Too High
Relocate battery away from heat sources.
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-10