you will need a pass4 or DB-PKF to by pass the key.
here is the rest of the info that i have.... i dont install on standards, however you will be able to find info on here from people that do....
Make:   Ford
Model: Mustang
Year:    2000
This Database Was Last Updated On:    6/9/2003
Index #:  2019 
Alarm 
Constant 12 volts YELLOW (3) GRN/VIO (2) IGNITION SWITCH HARNESS 
Ignition 12 volts RED / LIGHT GREEN IGNITION SWITCH HARNESS 
Starter WHITE/ PINK IGNITION SWITCH HARNESS 
Dome Light BLACK/ WHITE (+) GEM MODULE - BEHIND DRIVER DASH * 
Trunk Pin Switch LIGHT GREEN/ ORANGE (+) AT LIGHT IN TRUNK OR GEM MODULE * 
Parking Lamp BROWN (+) AT HEADLIGHT SWITCH OR GEM MODULE * 
Power Lock PINK / YELLOW 14 PIN CONNECTOR HIGH ** 
Power Unlock PINK/L GREEN IN PASS KICK #202 
* GEM Module (Generic Electronic Module) Is Located Behind Driver Dash Above Brake Pedal. ** Doorlock Wires Can Also Be Found As LIGHT GREEN (+) For Lock And VIOLET (+) For Unlock At Grey 18 Pin Connector In Driver Kick Panel #202 - See Positive Pulse Door Lock Diagram. 
View Diagrams 
Accessories  
Window Up D\ WHT/BLK P\ WHT/YEL D\ GRY/ORG P\ RED / BLK @ MAIN #211  
Window Down F/ TAN/LG * F/ TAN/BLU R/ YEL/BLU R/ YEL/BLK SWITCH  
Ign Key Warn BLACK/ PINK (-) IGNITION SWITCH HARNESS 
Trunk Release PURPLE / YELLOW (+) AT TRUNK RELEASE SWITCH ** #231 
OEM Horn YELLOW/L GREEN (-) STEERING COLUMN HARNESS OR GEM MODULE 
Headlights RED / YELLOW (+) AT HEADLIGHT SWITCH 
OEM Alarm Arm N/A NO OEM ALARM PRESENT 
OEM Alarm Disarm N/A IN SCHEMATICS 
* To Control Driver's Window Down, Access WHITE/ BLACK At Window Motor In Driver Door Due To One Touch Circuit. Both Motor Wires Are Same Color. Test For Correct Down Wire. ** Trunk Release Can Be Found As (-)Negative At PINK/LT GREEN At GEM Module #211- See Reversal Rest At Ground Power Window Circuit Diagram. #231- See Positive Pulse Trunk Release Diagram. 
View Diagrams 
Remote Start 
Tach Signal ORANGE / YELLOW AT POWERTRAIN CONTROL MODULE * #239 
Ignition #2 GRAY / YELLOW (2) IGNITION SWITCH HARNESS ** 
Ignition #3 RED / BLACK IGNITION SWITCH HARNESS #235 
Accessory BLACK/ LT GREEN IGNITION SWITCH HARNESS *** 
Neutral Safety NOT GROUNDING TYPE - OEM SWITCH OPENS STARTER CIRCUIT 
Brake Light RED / L GREEN (+) AT SWITCH ABOVE BRAKE PEDAL 
Reverse Light BLACK/ PINK (+) AT SWITCH ON TRANSMISSION 
Rear Window Defrost BROWN / L BLUE (+) AT REAR WINDOW DEFOGGER SWITCH 
* Powertrain Control Module Is Located In Passenger Kick Panel. ** Two GRAY / YELLOW Wires Present At The Ignition Switch Are The Same Circuit. #235 - See Powering Additional Ignitions Diagram. #239 - See Immobilizer By-Pass Diagram. *** Refer To TECH NOTES For Additional Information On Ignition Switch Layout. 
Ignition Switch Layout: Ignition #1 - RED / LIGHT GREEN.......Powers PCM (Primary Ignition). Ignition #2 - GRAY / YELLOW (2).......Powers Blower Motor. * Ignition #3 - RED / BLACK.............Powers Airbag Monitor. Ignition #4 - BLACK/ L GREEN.........Powers Heat/Ac Controls. * Two GRAY / YELLOW Wires Present At The Ignition Switch Are The Same Circuit
Good Luck
David
Ace Security
813-376-9778
Tampa
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