2003 Ford F-250 Super Duty Diesel Alarm/RS 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=101287
Printed Date: May 11, 2025 at 10:17 AM
Topic: 2003 Ford F-250 Super Duty Diesel Alarm/RS Wiring
Posted By: winfred
Subject: 2003 Ford F-250 Super Duty Diesel Alarm/RS Wiring
Date Posted: January 17, 2008 at 5:44 PM
I am looking for the wiring diagram for the 2003 Ford F250 Diesel. The one on this site gives infomation for the Super Duty Heavy and Light but not the actual F250/350 Diesel. Thanks for any help
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Image is Everything
Replies:
Posted By: i am an idiot
Date Posted: January 17, 2008 at 6:08 PM
They have info here 2004 but I do not know if it is for the diesel https://www.the12volt.com/installbay/forum_posts.asp~TID~28999
Posted By: KarTuneMan
Date Posted: January 17, 2008 at 6:51 PM
| 12 VOLTS | Yellow | Ignition harness | + | | IGNITION | RED / green | Ignition harness | + | | IGNITION 2 | Blue/green | | | | | | This wire is only required on the V-10 Gas engine. |
| | ACCESSORY | RED / black | Ignition harness | + | | ACCESSORY 2 | Gray / YELLOW | Ignition harness | + | | STARTER | Dk.green | Ignition harness | + | | KEY SENSE | BLACK/ pink | In airbag plug on right side of st. column | - | | TACH SIGNAL | Use an injector | | | | DIESEL TACH SIGNAL | GREEN / WHITE | SEE NOTES | | | | | Look below the relay box under the dash for a large loomed harness. There are some wires taped to the harness terminated with heat shrink tubing. You will find the GREEN / WHITE among these wires. |
| | LOCK | WHITE/ red | In harness above gas pedal | + | | | | On 4 door models, these wire are negative trigger. Vehicles with no keyless entry, colors are Pink / YELLOW for lock and Pink/green for unlock in 5-wire reverse polarity. They will be found in either kickpanel. |
| | UNLOCK | BLACK/ white | In harness above gas pedal | + | | | | On 4 door models, these wire are negative trigger. Vehicles with no keyless entry, colors are Pink / YELLOW for lock and Pink/green for unlock in 5-wire reverse polarity. They will be found in either kickpanel. |
| | DRIVER LOCK MOTOR | Pink/black | In harness above gas pedal | + | | DRIVER UNLOCK MOTOR | RED / orange | In harness above gas pedal | + | | PASSENGER UNLOCK MOTOR | Pink/orange | In harness above gas pedal | + | | GLO-PLUG SIGNAL | DATA ONLY | USE DELAY TIMER | | | DOORPIN | BLACK/ blue | Above parking brake in DKP | + | | | | The vehicle’s computer sends out diagnostic pulses on this wire every 15-20 minutes. This may cause an after-market alarm to false. It is suggested that you add a relay to this wire when connecting to an alarm system. See the appropriate diagram for exact wiring instructions. |
| | FACTORY ARM | Yellow/black | Above parking brake in DKP | - | | | | This is the driver’s doorpin wire. Pulse this wire at the same time as lock to arm the factory alarm. |
| | FACTORY DISARM | Dk.GREEN/ purple | In harness above gas pedal | - | | BRAKESWITCH | Green | At switch above brake pedal | + | | PARKLIGHTS | Brown | At light switch harness | + |
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Posted By: winfred
Date Posted: January 17, 2008 at 8:23 PM
Thank you for your assistance, greatly appreciated.
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Image is Everything
Posted By: ralphtonka
Date Posted: January 17, 2008 at 11:01 PM
for glow plug (think its +) pull cluster and solder onto top side of wait to start led, labled wait to start on cct board
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