F 150 4WD Pickup V8-5.4L SOHC VIN L (2001)
4. Install the ground strap.
5. Connect the main compuvalve connector.
6. Connect the ground and modular electrical connectors.
7. Install the air cleaner and outlet tube as an assembly.
8. Connect the battery ground cable.
9. Pressurize the CNG fuel system.
10. Leak test the natural gas fuel system. See: Testing and Inspection/Fuel System Leak Test/With CNG
11. Fill and bleed the cooling system.