The firing order is ( 1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 )
It has Coil On Plug ( C.O.P. ) ignition system
The engine cylinder / spark plug locations are numbered :
firewall
4 - 8
3 - 7
2 - 6
1 - 5
front
Which engine?
The spark plug wiring diagram for a 2000 F-150 can be found in its service manual. The service manual is available from Ford.
The 2001 Lincoln Navigator spark plug diagram can be obtained from most Lincoln dealerships. The spark plug diagram can also be obtained from most auto-parts stores.
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
spark plugs wiring diagram
That would depend on which engine size you have
The proper spark plug gap for a 2001 Ford F150 4.6 V8 is .054"
.054 inch
2001 Ford Truck F150 1/2 ton P/U 2WD 5.4L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
.054 inch ( according to motorcraft.com )
www.motorcraft.com shows .054 inch
The spark plug gap is .054"