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Perform charging system output test; determine needed action.

Charging System Output Test

Microsoft Word version

Fillable PDF version

Inspect, adjust, and/or replace generator (alternator) drive belts; check pulleys and tensioners for wear; check pulley and belt alignment.

Remove, inspect, and/or replace generator (alternator).

Remove and Install Alternator

Microsoft Word version

Fillable PDF version

Perform charging circuit voltage drop tests; determine needed action.

Diagnose charging system for causes of undercharge, no-charge, or overcharge conditions; determine needed action.

Charging Circuit Voltage Drop

Microsoft Word version

Fillable PDF version