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FORD MUSTANG

MODEL	YEAR(S
MUSTANG	1999-2004

KEY	T-HARNESS	IMMOBILIZER
FDKEY-1	N/A	FORD'S ANTI-THEFT SYSTEM, TRANSPONDER, SEE NOTE #1

PART	COLOR	LOCATION	DIAGRAM
12 VOLT CONSTANT	YELLOW (+) and LIGHT GREEN/PURPLE (+)	@ IGNITION SWITCH HARNESS
STARTER	WHITE/PINK (+)	@ IGNITION SWITCH HARNESS
STARTER 2	N/A
IGNITION 1	RED/LIGHT GREEN (+)	@ IGNITION SWITCH HARNESS
IGNITION 2	RED/BLACK (+)	@ IGNITION SWITCH HARNESS
IGNITION 3	N/A
ACCESSORY/HEATER BLOWER 1	GRAY/YELLOW (+)	@ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2	BLACK/LIGHT GREEN (+)	@ IGNITION SWITCH HARNESS
KEYSENSE	N/A
PARKING LIGHTS ( - )	N/A
PARKING LIGHTS ( + )	BROWN (+)	@ GEM, 26-Pin Plug, Pin 7, See NOTE #2
POWER LOCK	LIGHT GREEN (TYPE A)	@ GEM, 20 Pin Plug, Pin 20, See NOTE #2
POWER UNLOCK	PURPLE (TYPE A)	@ GEM, 20 Pin Plug, Pin 18, See NOTE #2
LOCK MOTOR WIRE	RED/WHITE (5-WIRE TYPE)	@ GEM, 20-Pin Plug, Pin 9 , See NOTE #2
DOOR TRIGGER	YELLOW/BLACK (-) and GRAY/RED (Right) (-) Use both, See NOTE #3	@ GEM, 20 Pin Plig, Pins 13 and 5, See NOTE #2	26500_MUSTANG_FORD DOOR PIN ISOLATION.pdf
DOMELIGHT SUPERVISION	BLACK/WHITE (+)	@ GEM, 20Pin Plug, Pin 3, See NOTE #2
TRUNK RELEASE	PINK/LIGHT GREEN (-)	@ GEM, 26 Pin PLug, Pin 25, See NOTE #2
SLIDING POWER DOOR	N/A
HORN	YELLOW/LIGHT GREEN (-)	@ GEM, 26 Pin Plug, Pin 12, See NOTE #2
TACH	Any wire that is NOT RED or WHITE/LIGHT BLUE	@ any IGNITON COIL or FUEL INJECTORS
WAIT TO START LIGHT	N/A
BRAKE	RED/LIGHT GREEN (+)	@ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM	DARK GREEN/PURPLE (-)	@ GEM, 20 Pin Plug, Pin 16, See NOTE #2
ANTI-THEFT	FORD'S ANTI-THEFT TRANSPONDER SYSTEM, SEE NOTE #1	@ IGNITION SWITCH TUMBLER

NOTES

NOTE #1: This vehicle is equipped with a Special Anti-theft key, to remote start you will need a Bypass module 791, use this module IF you have a extra ignition key to place inside the 791 to remote start, if you do not have an extra key to use or wish not to have a key placed inside this bypass module, we OFFER a KEYLESS INTERFACE BYPASS MODULE that does not require a key to be placed inside the bypass module, this is Part # PKALL or PKFM, either one will work, to order, go to the INTERFACE BYPASS MODULE PAGE on this website. NOTE #2: The GEM (Generic Electronic Module) is located ABOVE the DRIVERS KICK PANEL. NOTE #3; This vehicle has 2 Door trigger wires at the GEM Module, when connecting to an ALARM SYSTEM,use both DOOR TRIGGER wire and DIODE ISOLATE, to connect, See DIAGRAM.

LINK 1	LINK TEXT 1	LINK 2	LINK TEXT 2

EXTRA INFORMATION

Show Large Image To get to the UNDER DASH wiring of this vehicle you must frist remove this UNDERDASH PLASTIC PANEL. Show Large Image After removing the UNDERDASH PLASTIC Panel, you will find this METAL KNEE BOLSTER, take out the (4) 8mm Bolts to remove. Show Large Image The IGNITION SWITCH HARNESS Plug is located behind this GRAY Cover. You can remove this plug by removing the 7mm Bolt that holds the IGNITION SWITCH HARNESS Plug in place. You will only need to remove this plug when installing the FD-1 T-Harness. Show Large Image This shows the GRAY Cover from the IGNITION SWITCH HARNESS PLUG removed to gain better access to the IGNITION wires on the column. Show Large Image This LOWER STEERING COLUMN Cover must be removed when doing a Transponder Bypass, removing the (2) Philips Head screws will let this cover come off. Show Large Image With the LOWER COLUMN Cover removed, press in on the TUMBLER Pin and turn the Ignition key at the same time to remove the Ignition Switch Tumbler. Show Large Image When removing the TUMBLER make sure you press in on the TUMBLER RELEASE PIN at the bottom of the Ignition Switch while at the same time turning the Ignition Key the Tumbler will pull out. Show Large Image With the IGNITION SWITCH TUMBLER out, you can now pull up on the UPPER STEERING COLUMN Cover to expose the Factory Transponder Receiver Antenna as seen here around the Ignition Switch. Place the 791's TRANSPONDER LOOP ANTENNA around the BLACK ring on the Show Large Image This picture shows the (+) RED/LIGHT GREEN BRAKE wire marked with the RED Clip at the BRAKE SWITCH just above the BRAKE PEDAL under the dash. Show Large Image As with most FORD's, the (-) HORN wire (YELLOW/LIGHT GREEN) is in the AIRBAG HARNESS and HARNESS Plugs, USE EXTREME CAUTION when testing this wire. The HORN wire in this picture is marked with the RED Clip. Show Large Image The easiest place to locate and tie into the (+) LIGHT GREEN DOOR LOCK wire, marked with the RED Clip in this picture, is in the DRIVERS DOOR BOOT, pull this boot back at the DRIVERS DOOR Side to expose the DOOR HARNESS. Show Large Image The easiest place to locate and tie into the (+) PURPLE DOOR UNLOCK wire, marked with the RED Clip in this picture, is in the DRIVERS DOOR BOOT, pull this boot back at the DRIVERS DOOR Side to expose the DOOR HARNESS. Show Large Image The (+) BROWN PARKING LIGHT wire is located in the DRIVERS KICK PANEL in a LARGE BLACK Plug.