F 250 2WD Pickup V8-5.4L CNG VIN M (1999)
^
Dark blue wire into cavity 28
^
Gray wire into cavity 22
^
Gray/red wire into cavity 18
^
Gray/white wire into cavity 11
NOTE
WHEN INSTALLING A NEW ALTERNATIVE FUEL SENSORS HARNESS UNDER STEP 12 BELOW, USE COLOR-CODED WIRES
INDICATED FROM HARNESS CONNECTOR MARKED J202.
f.
Reinstall lock and connect C120.
NOTE
WHEN INSTALLING A NEW ALTERNATIVE FUEL SENSORS HARNESS UNDER STEP 12 BELOW, CONNECT ALL REMAINING
CONNECTORS BEFORE PROCEEDING WITH STEP g.
g.
With the ignition key in the Off position, connect the vehicle battery.
h.
Switch vehicle to run on LPG or CNG by placing the fuel selector switch in the ALT position.
NOTE
WHEN REPLACING THE ALTERNATIVE FUEL SENSORS HARNESS, THE KEY MUST BE IN THE OFF POSITION BEFORE
CONNECTING OR DISCONNECTING THE VEHICLE BATTERY.
12.
If the condition clears, replace the Alternative Fuel Sensors harness using procedures shown in Step 11 and then for the remaining portion of the
harness, replace wire for wire and connector for connector. 1999 model year F-150/250 bi-fuel LPG and CNG vehicles, use part number
(XL3Z-14A411-GA). 2000 model year F-150 bi-fuel LPG and CNG vehicles, use part number (YL3Z-14A411-AA). Replace wire straps as
necessary.
