Toro 3000D manual Indicator Lights and Circuits GM 3000-D

Indicator Lights and Circuits (GM 3000–D)

Note: Individual light bulbs can be tested by removing them from the lighting cluster and applying 12 VDC to their wiring terminals (Fig 46).

Low Oil Pressure Light

The oil pressure light should come on when the ignition switch is in the ON position with the engine not running. Also, it should light with the engine running when the oil pressure drops below 7 PSI (0.48 Bar).

1.Disconnect gray wire from the oil pressure switch.

2.Ground gray wire to the engine block.

3.Turn the ignition switch to ON; the light should come

on.

4.Turn the ignition switch to OFF and connect gray wire to the oil pressure switch.

High Coolant Temperature Light

The temperature light should come on only if the high temperature shutdown switch and relay have stopped the engine when the coolant temperature is from 226 to 234_F (108 to 112_C). The ignition switch must be in ei- ther the ON or START position for the light to come on.

1.Disconnect gray wire from the high temperature shutdown switch.

2.Ground the gray wire to the engine block.

3.Turn the ignition switch to ON; the light should come on and the high temperature shutdown relay should click.

4.Turn the ignition switch to OFF and connect gray wire to the high temperature shutdown switch.

Low Water Level Light

This light comes on to warn that the coolant level in the radiator is low enough to cause over heating of the en- gine.

1.Disconnect electrical connector from the wire from the coolant level sensor.

2.Ground tan wire of the connector to the vehicle frame.

3.Turn ignition switch to ON; the light should come on.

4.Turn ignition switch to OFF and connect electrical connector to the coolant level sensor.

LOW	LOW OIL
WATER	PRESSURE
	(RED)
LEVEL
(RED)

BATT		HIGH
		COOLANT
(AMBER)		TEMPERATURE
	FRONT OF GAUGE	(RED)

WATER IN FUEL (RED)

GLOW

PLUG INDICATOR (RED)

Figure 46

Battery Light

The battery light should come on when the ignition switch is in ON with the engine not running or with an im- properly operating charging circuit while the engine is running.

1.Turn ignition switch to ON; the light should come on.

2.Turn ignition switch to OFF.

Water in Fuel Light

This light comes on to warn that there is sufficient water in the fuel system to cause engine problems..

1.Disconnect electrical connector from the wire from the water in fuel sensor.

2.Ground blue wire of the connector to the vehicle frame.

3.Turn ignition switch to ON; the light should come on.

4.Turn ignition switch to OFF and connect electrical connector to the water in fuel sensor.

Electrical System Page 6 – 26 Groundsmaster 3000/3000–D