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2003 F-150 wiring

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=30950
Printed Date: September 19, 2025 at 9:28 PM


Topic: 2003 F-150 wiring

Posted By: vikingeorge
Subject: 2003 F-150 wiring
Date Posted: April 24, 2004 at 11:23 AM

Can anyone tell me if the security wiring for a 2003 F-150 is the same as the wiring listed on this site for a 2000 Ford F series Security Information.

Thanks,Bryce




Replies:

Posted By: draasch
Date Posted: April 24, 2004 at 8:07 PM
are you looking for the wiring info for the truck so you can do an install??

Make:   Ford
Model: Pickup - Fullsize
Year:    2003
This Database Was Last Updated On:    4/7/2004

Alarm
Constant 12 volts YELLOW & GREEN/ VIOLET IGNITION SWITCH HARNESS
Ignition 12 volts D BLUE/L GREEN IGNITION SWITCH HARNESS
Starter RED / L BLUE IGNITION SWITCH HARNESS
Dome Light BLACK/ BLUE (+) DRIVERS & PASSENGERS KICK PANEL *
Trunk Pin Switch N/A
Parking Lamp BROWN / WHITE (+) HEADLIGHT SWITCH **
Power Lock PINK / YELLOW DRIVER KICK PANEL ABOVE *** #201
Power Unlock PINK/L GREEN PARKING BRAKE HANDLE #203

* Dome Light:(-) Pin Switch Wire Drivers BLACK / YELLOW All Others BLACK/ PINK Located In A 26 Pin Plug At The G.E.M. Above The Fuse Box. ** Parking Lamp Wire Also Located At Six Pin Connector Under Drivers Dash. *** W/ OEM Keyless Entry See Note #201.W/out OEM Keyless Entry See Note #203. #201 - See Negative Pulse Door Lock Diagram. (See Tech Notes) #203 - See Reversal Rest At Ground Door Lock Diagram.

Accessories
Window Up D\ WHT/BLK P\ TAN/BLU D\ YEL/BLU P\ RED / BLK @ MAIN #211
Window Down F/ ORG/WHT F/ WHT/YEL R/ GRY/ORG R/ YEL/BLK SWITCH
Ign Key Warn BLACK/ PINK (-) PLUG TO RIGHT OF STEERING COLUMN
Trunk Release N/A
OEM Horn D BLUE (-) PLUG TO RIGHT OF STEERING COLUMN
Headlights RED / YELLOW (+) AT HEADLIGHT SWITCH
OEM Alarm Arm   
OEM Alarm Disarm GREEN/ VIOLET (-) AT G.E.M. ABOVE PARKING BRACKET


#211- See Reversal Rest At Ground Power Window Circuit Diagram. OEM Alarm Horn Wire- YELLOW/LT.GREEN At Fusebox Under Hood. OEM Alarm Hood Trigger- None Listed In Shop Manual.

Remote Start
Tach Signal D BLUE/L GREEN (4.2L) AT COIL PACK ON ENGINE * #239
Ignition #2 GRAY / YELLOW IGNITION SWITCH HARNESS
Ignition #3 RED / BLACK IGNITION SWITSH HARNESS
Accessory BLACK/ LIGHT GREEN IGNITION SWITCH HARNESS **
Neutral Safety NONE GROUNDING TYPE - OEM SWITCH OPENS STARTER CIRCUIT
Brake Light L GREEN (+) AT SWITCH ABOVE BRAKE PEDAL
Reverse Light BLACK/ PINK (+) AT SWITCH ON TRANSMISSION
Rear Window Defrost BLUE/ORANGE (-) AT SWITCH


* Wire Color Changes To L GREEN / WHITE On 4.6L and 5.3L Engines. ** Must Be Powered When Remote Started. #239- See Immobilizer Bypass Diagram. OEM Keyless ACC Wire: BLACK/ PINK At GEM Module Located Above The Fuse Box Fuse Box.



-------------
Good Luck
David
Ace Security
813-376-9778
Tampa
Donate to the 12volt





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