Glow Relay - Toro Reelmaster 3100-D Service Manual

Glow Relay

Testing
Reelmaster ® 3100-D/3105-D
20252SL Rev A
g346376
1. Radiator assembly
The glow relay is attached to the radiator assembly
energized, the glow relay allows electrical current to the engine glow plugs.
1. Park machine on a level surface, lower cutting units, stop engine, engage
parking brake and remove key from the key switch.
2. Open the hood and get access to the glow relay.
3. To ensure that the machine operation does not occur unexpectedly,
disconnect the negative (-) cable from the battery and then disconnect the
positive (+) cable from the battery; refer to
4. Disconnect the wire harness connectors from the relay.
Note: Before taking small resistance readings with a digital multimeter, short
the multimeter test leads together. The meter displays a small resistance
value (usually 0.5 ohms or less). This resistance is because of the internal
resistance of the multimeter and test leads. Subtract this value from the
measured value of the component that you are testing.
g214499
Figure 135
2. Glow relay
Servicing the Battery (page
Figure 136
Page 6–35
(Figure 135). When
Electrical System: Component Testing
6–49).