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ENGINE ELECTRICAL 6D – 55
Condition Cause Circuit Through glow plug Bad connection of FLW between battery and glow relay. Bad connection or disconnection in preheating circuit of glow relay main contact Bad connection between plug connector and preheating circuit
1 9
Glow plug relay Bad timer. Bad timer. Short circuiting in circuit or earth between 5 terminal and glow relay. Bad glow relay.
6
Indication lamp is Bad timer. Burning-out of light bulb.
8
Note: Circuit No. in rectangle is shown in the previous pre-heating chart.
2) Problems when the time water temperature of the engine is 0°C or above. Condition Cause Circuit Indicator lamp is Bad timer Burning-out of bulb.
8
Turn glow relay Bad thermoswitch or disconnection of thermo SW circuit. Bad timer. Bad timer. Short-circuiting in circuit or earth between terminal 5 and glow relay. 4
Note: Circuit No. in rectangle is shown in the previous pre-heating chart.
3) Burning-out of glow plug When only one line is burned out, it has no effect on the start up of the engine. Even if one line is burned out,
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