1975 Datsun 280z FSM - Spooled up Racing

Engine Electrical System
TROUBLE DIAGNOSES AND CORRECTIONS (Including alternator)
Condition
No output
Excessive output
Low output
Noisy alternator
Sticking brushes.
Probable cause
Dirty brushes and slip rings.
Loose connections or broken leads.
Open stator winding.
Open rotor winding.
Open diodes.
Shorted rotor.
Shorted stator.
Grounded "A" terminal.
Broken fan belt.
Broken neutral wire (color of wire is yellow.)
Voltage regulator breakdown.
Poor grounding of alternator and voltage
regulator "E" terminal.
Broken ground wire (color of wire is black.)
Loose or worn fan belt.
Sticking brushes.
Low brush spring tension.
Voltage regulator breakdown.
Dirty slip rings.
Partial short, ground, or open in stator
winding.
Partially shorted or grounded rotor winding.
Open or damaged diode.
Loose mounting.
Loose drive pulley.
Broken ball bearing.
Improperly seated brushes.
Corrective action
Correct or replace brushes and brush springs.
Clean.
Retighten or solder connections.
Replace leads if necessary.
Repair or replace stator.
Replace rotor.
Replace.
Replace rotor.
Repair or replace.
Replace insulator.
Replace.
Replace.
Check regulator operation and repair or
replace as required.
Retighten terminal connection.
Replace.
Retighten or replace.
Correct or replace brushes and springs if
necessary.
Replace brush springs.
Check regulator operation and repair or
replace as required.
Clean.
Replace stator.
Replace rotor.
Replace diode.
Retighten bolts.
Retighten.
Replace.
Seat correctly.
EE-25