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Anti–Dieseling Valve Solenoid (GM 3000)
The anti–dieseling valve solenoid is located on the right
side of the carburetor, which is on the top rear end of the
engine. Its has two white wires (Fig. 61 and 62).
In Place Testing
Note: Prior to taking small resistance readings with a
digital multimeter, short the test leads together. The me-
ter will display a small resistance value (usually 0.5
ohms or less). This resistance is due to the internal re-
sistance of the meter and test leads. Subtract this value
from from the measured value of the component you are
testing.
Figure 61
SOLENOID
1. Disconnect connector from the solenoid.
2. Using a digital multimeter, ground one lead to the
engine block and connect the other to the solenoid ter-
minal.
3. The resistance should be about 25.0 ohms.
4. Connect the wire back to the solenoid.
Live testing
1. Remove the connector from the solenoid.
SOLENOID
Note: The solenoid may be removed from the engine
Figure 62
or tested in place.
4. Disconnect the test leads from the solenoid.
2. Connect a positive (+) test lead from a 12 VDC
source to the solenoid terminal.
5. Reinstall the connector to the solenoid if tested in
place.
3. Touch a negative (–) test lead from the 12 VDC
source to the solenoid body. The plunger should retract
making an audible ”click”.
Groundsmaster 3000/3000–D
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