this is for a ford f series it is the same 2003.try it out
12 VOLTS yellow & lt. GREEN/ purple + ignition harness
IGNITION 1 dk. blue/lt. green + ignition harness
IGNITION 2 gray / YELLOW + ignition harness
IGNITION 3 lt. blue/pink + ignition harness Power this wire if vehicle is equipped with only rear anti-lock brakes. Vehicles with all wheel anti-lock brakes do not have this wire.
STARTER 1 RED / lt. blue + ignition harness
STARTER 2 n/a
ACCESSORY 1 RED / black + ignition harness
ACCESSORY 2 BLACK/ green + ignition harness
POWER LOCK pink / YELLOW passenger kick panel Negative pulse, type B, on keyless entry models. Five wire, type C, on non-keyless models, mastered from the driver switch.
POWER UNLOCK pink/green passenger kick panel Negative pulse, type B, on keyless entry models. Five wire, type C, on non-keyless models, mastered from the driver switch.
DISARM NO UNLOCK see factory alarm disarm
FACTORY ALARM ARM arms on lock w/door open Arms when locked with the door open. To simulate, send a negative trigger to the lt. blue/white wire at the RAP module, located behind the light switch, while locking.
FACTORY ALARM DISARM dk. GREEN/ purple - driver kick panel
DOORLOCK MOTOR pink/black 5wi driver kick panel
DOOR UNLOCK MOTOR RED / orange 5wi driver kick panel
PARKLIGHTS POSITIVE brown + headlight switch May also be found at the trailer connector next to the diagnostic connector under dash.
PARKLIGHTS NEGATIVE lt. GREEN/ YELLOW - headlight switch If equipped with autolamps.
BRAKE lt. green + brake pedal switch May also be found at the trailer connector next to the diagnostic connector under dash
DOOR PIN blk/yel (l) & blk/pnk (r) - each door harness The BLACK / YELLOW catches the driver door and the BLACK/ pink catches the passenger door. The wires are found in their respective door harness. On the Super Crew the rear door trigger is BLACK/ lt. blue low in the driver kick panel. Use all wires and diode isolate each from the GEM module, refer to DirectFax document 1076 for wiring information.
HOOD PIN n/a
TRUNK PIN n/a
DOMELIGHT SUPERVISION BLACK/ lt. blue + passenger kick panel
TACH ac On the 4.2L it is dk. blue/lt. green at the coil pack on top of the motor. On the 4.6L go to any of the ignition coils and use the wire that is NOT RED / green. On the 5.4L it is lt. GREEN / WHITE at the coil on the passenger side of the motor between the fuel injectors.
TRUNK RELEASE n/a
SLIDEDOORS n/a
HORN dk. blue - steering column
techker