F 250 2WD Pickup V8-5.4L CNG VIN M (1999)
2.
Disconnect lock and remove the following wires from male connector C120 (refer to Wiring Diagrams Workshop Manual information for
connector cavity location):
^
Black wire from cavity 35
^
Dark blue wire from cavity 28
^
Gray wire from cavity 22
^
Gray/red wire from cavity 18 Gray/white wire from cavity 11
3.
Cover wires removed from connector C120 and secure out of the way.
4.
Disconnect connector C4202 (marked J202 on harness).
5.
Remove all the wires from the male connector C4202.
6.
Connect the following wires removed from the male connector C4202 into the male connector C120 (refer to Wiring Diagrams Workshop Manual
information for connector cavity locations):
^
Black wire into cavity 35
^
Dark blue wire into cavity 28
^
Gray wire into cavity 22
^
Gray/red wire into cavity 18
^
Gray/white wire into cavity 11
7.
Reinstall lock and connect C120.
8.
With ignition key in the Off position, connect the vehicle battery.
9.
Switch vehicle to run on gasoline by placing the fuel selector switch in the GAS position.
10.
Retest vehicle for hesitation and buck condition.
11.
If the condition does not clear, repair base vehicle, then return the wiring to its original configuration using the following steps:
a.
With ignition key in the Off position, disconnect the vehicle battery.
b.
Disconnect lock and remove the following wires from male connector C120 (check EVTM Workshop information for connector cavity
locations):
^
Black wire from cavity 35
^
Dark blue wire from cavity 28
^
Gray wire from cavity 22
^
Gray/red wire from cavity 18
^
Gray/white wire from cavity 11
c.
Reconnect the wires removed from C120 into the male connector C4202, match cavity location and wire color with the female connector
C4202 (marked J202 on harness).
d.
Reconnect connector C4202 (marked J202 on harness)
e.
Reconnect the following wires that have been covered and secured out of the way (harness is marked J202) into the male connector C120
(check EVTM Workshop information for connector cavity locations):
^
Black wire into cavity 35