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2003 Ford Mustang Alarm/Remote Start Wiring

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=34836
Printed Date: April 28, 2024 at 8:08 PM


Topic: 2003 Ford Mustang Alarm/Remote Start Wiring

Posted By: frogger42024
Subject: 2003 Ford Mustang Alarm/Remote Start Wiring
Date Posted: June 30, 2004 at 7:38 AM

I am looking for a wiring diagram for an '03 ford mustang convertible, 3.8 V6.  I want to hook up a viper 791 XV alarm.  PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!



Replies:

Posted By: draasch
Date Posted: June 30, 2004 at 9:24 AM
Make:   Ford
Model: Mustang
Year:    2002-04
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 YEL/BLK(DR) GY/RD(PS) AT GEM MODULE * SEE TECH NOTES **
Trunk Pin Switch BROWN / WHITE (-) AT LIGHT IN TRUNK OR GEM MODULE *
Parking Lamp BROWN (+) AT HEADLIGHT SWITCH OR GEM MODULE *
Power Lock LIGHT GREEN PIN 20 OF A BK 20 PIN CONN AT *
Power Unlock VIOLET PIN 18 OF A BK 20 PIN CONN AT * #202

* Generic Electronic Module Is Located Behind Driver Dash Above Brake Pedal. #202 - See Positive Pulse Door Lock Diagram.

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 BLACK / YELLOW (+) 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. OEM Keyless Ign. Interrupt: Not possible

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. **Dome Light:Ford's G.E.M. Will Drop A Low Signal Across The Dome Light And In Most Cases Cause A False Trigger. To Eliminate This Cut the Door Pin Trigger Wires At The G.E.M. And Insert A One-Amp Diode With Band Side Facing Doors.Make Your Isolated Connection On The Door Pin Side. The GEM (Generic Electronic Module) Is Behind The Dash Above The Brake Pedal.



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Good Luck
David
Ace Security
813-376-9778
Tampa
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