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Fuel shutdown solenoid test

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Following is from the factory service manual

NOTE: The fuel shutdown (shut-off) solenoid and fuel shutdown solenoid relay are not controlled by the powertrain control module

(PCM).

(1) With the ignition switch off, the solenoid shaft

should be down and the injection pump lever should

be in the shutdown position (no fuel supply to injection

pump)

(2) Turn the ignition switch to the CRANK (starter

engage) position and observe the solenoid shaft and

injection pump lever. The shaft should pull up (shaft

retracted into the solenoid) and the pump lever

should be in the run position (fuel being supplied to

injection pump) .

(3) Release the ignition key from the CRANK to

the ON position. The shaft should remain in the up

position and the pump lever should remain in the

run position (fuel being supplied to injection pump)

(Fig. 30). If the solenoid shaft is not moving, refer to

the following:

(4) Disconnect the solenoid three-wire pigtail wire

harness from the main engine harness.

(5) If the solenoid shaft did not move up when the

ignition switch was in the CRANK position, check for

12 volts at the three-way connector. This will be the

circuit coming from the fuel shutdown solenoid relay.

Refer to Group 8W, for wire connector pin location

and circuit identification. If 12 volts is not present at

this circuit when the key is in the CRANK position,

check the fuel shutdown solenoid relay.

Refer to Relay Test—Fuel Heater/Fuel Shutdown Solenoid in

this section of the group. Also check the wiring

between the relay and the solenoid.

(6) If the solenoid shaft moves up when the ignition

switch is in the CRANK position, but moves

down when the key is released from the CRANK to

the ON position, check the circuit coming from the

ignition switch for 12 volts. Refer to Group 8W, for

wire connector pin location and circuit identification.

(7) If the shutdown solenoid is being replaced, its

shaft length must be adjusted> http://dodgeram.org/tech/dsl/trouble..._solenoid.html

starter_curcuit_diagram.jpg

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