5-2. FUEL SHUT-OFF SOLENOID TESTING
This Task Covers:
Electrical Testing of Shut-off Solenoid
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Item 18, Appendix F)
Multimeter (Item 9, Appendix F)
Electrical Testing of Shut-off Solenoid.
Do not smoke or allow open flame or
sparks in the vicinity while working on
any part of fuel system. Diesel fuel is
highly flammable and can cause injury or
death to personnel if accidentally ignited.
· If fuel shut-off solenoid replacement is
required, notify Direct Support
· Ensure starter keyswitch is in the OFF
position during Step (1) below.
Test resistance of fuel shut-off solenoid (1).
Disconnect fuel shut-off solenoid
connector (2) from main wiring harness
±2.5 ohms during test in Step (1)(b). If reading
is not within acceptable limits, solenoid requires
replacement. Notify Direct Support Maintenance.
Place one probe of multimeter on red wire terminal (4) of fuel shut-off solenoid connector (2). Place other
probe on black wire terminal (5) of fuel shut-off solenoid connector.