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12.25
Indicator lamp does not light when engine is
stationary and ignition switched on.
no
Check indicator lamp.
Is lamp defective?
yes
Replace indicator lamp.
no
Check battery.
Is battery discharged/defective?
yes
Charge/renew battery.
no
Check alternator.
Has generator short at positive diode?
yes
Immediately disconnect charge line (discharge
when stationary). Repair alternator.
no
Check cable.
Is cable loose/damaged?
yes
Secure connections/renew cable.
no
Check regulator.
Is regulator defective?
yes
Renew regulator.
no
Check carbon brushes.
Are carbon brushes worn?
yes
Renew carbon brushes.
no
Check rotor winding.
Do slip rings have oxidation layer?
yes
Repair alternator.
no
Check rotor winding.
Is rotor winding broken?
yes
Renew rotor.