Glow Relay - Toro Groundsmaster 7210 Service Manual

Glow Relay

Testing the Glow Relay
Groundsmaster 7210
16222SL Rev C
g035044
1. Glow relay
g034744
The glow relay of the Groundsmaster 7210 machine has 4 terminals and allows
electrical current to the engine glow plugs when energized. The glow relay is
attached to the ECU bracket that is located above the battery.
The ECU energizes the glow relay when you initially turn the key switch to the
O /P position and also to the S
N REHEAT
1. Unlatch the hood and raise it.
2. Ensure that the key switch is in the O
electrical connector from the glow relay.
Note: Before taking the 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.
Figure 163
Figure 164
position.
TART
position. Disconnect the wire harness
FF
Page 5–39 Electrical System: Testing the Electrical Components