Warning Light Cluster (GR 3200) Note: Individual light bulbs can be tested by removing them from the lighting cluster and applying 12 VDC to their wiring terminals. 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 4 PSI (0.3 kg/cm2).
Battery Light The battery light should come on when the ignition switch is in ON with the engine not running, or with an improperly 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.
1. Disconnect green/blue wire from the oil pressure switch.
FRONT OIL (RED)
WATER (RED)
2. Ground green/blue wire to the engine block. 3. Turn the ignition switch to ON; the light should come on. 4. Turn the ignition switch to OFF. Connect green/blue wire to the oil pressure switch. High Temperature (Water) Shutdown Light
GLOW (AMBER)
BATT (AMBER)
When the coolant temperature is above 218_F (103_C), the temperature light comes on as the high temperature shutdown switch and relay stopped the engine. The ignition switch must be in either the ON or START position for the light to come on. Test this circuit using the diagnostic ACE (see ACE Troubleshooting guide).
A
F
B
E
Glow Light The glow light is not connected to any circuit. A
B
C
D
E
F
BACK Figure 26
B
GLOW
E
BATT
F
OIL
A
WATER
C
D
Figure 27 Electrical System
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Greensmaster 3200/3200–D