ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 8150 > < Initial Inspection and Diagnostic Overview|Page 8148
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3. Turn all electrical accessories OFF.
4. With the engine running at 2000 rpm, check the alternator output voltage. The voltage should be between 13.0 and 15.0 volts. If not, refer to the

symptom chart for diagnostic procedures.  See: Testing and Inspection/Symptom Related Diagnostic Procedures

Pre-Test

The integral rear mount regulator - internal fan type alternator is serviced as an assembly only.
Replace alternator as required after performing alternator on-vehicle tests.  See: On-Vehicle Tests

Rectifier Short or Grounded and Stator Grounded Test

Diode Trio Test

Initial Inspection and Diagnostic Overview|Page 8150 > < Initial Inspection and Diagnostic Overview|Page 8148