F 250 4WD Super Duty V8-5.4L SOHC VIN L (1999)
7.
Check engineering suffix of the GEM part number (-14B205-), shown in Figure 2. Vehicles without Remote Keyless Entry (RKE) Replace GEM
if the part number suffix is any designation other than "DJ" Vehicles with Remote keyless Entry (RKE) Replace GEM if the part number suffix is
any designation other than "EL".