TM 10-3930-664-10 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 3. Check to see if auxiliary fuel shut-off switch is in the down position. Move the auxiliary fuel shut-off switch to the up position. Step 4. Check fuel solenoid on fuel injector pump for disconnected wire. Push wire terminal on to blade terminal of fuel solenoid. Step 5. Check fuel/water separator for water. Drain fuel/water separator.  (Refer to para.  3-9). 3-3