Starter does not crank engine
- Low battery
- Loose battery wiring
- Loose starter connections
- Worn starter brushes or dirty switch
Starter turns engine over slowly
- Low battery
- Loose starter connections
Battery not charging
- Too low electrolyte level
- Alternator drive belt slip
- Faulty alternator or voltage regulator
- Short circuit in the electrical circuit
Ignition light stays on
- Defective alternator drive belt
- Faulty alternator or voltage regulator
Ignition light does not turn on
- Control lamp burnt out
- Break of a chain of a control lamp
- Faulty alternator or voltage regulator
Indications device, increase. with rotation frequency. engine
- Faulty voltage regulator
Wrong data indicated. fuel or temp.
- Faulty voltage regulator
- Faulty sensor
- Faulty wiring
The lights don't burn
- Bulb burnt out
- Blown fuse
- Faulty wiring
- Faulty switch
Engine component failure
- Dirty Switch
- Brushes are stuck or worn out
- Defective armature or field winding
- Faulty wiring
- Symbols used in wiring diagrams
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