Wiring Diagram for 2003 F-350

 I am having a clifford RS3 installed but the installer has not got the updated wiring diagram for 2003.What is needed is the tach wire color because Ford has changed it and he cannot hook it up,the remote start works but it sets off the alarm when the engine is shut off with the remote.It also shows the alarm as a door alarm???I hope some one can help other wise I have to wait until Wednesday to get this fixed DEI closed on Monday Holiday and Tuesday he is off,Can some one please help me??I would be very thankful if you could.You could e-mail me the diagram if possable that way I might get it faster or if you could tell me where to find it on line.My E-mail address is in profile.

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Morris Hanley
2003 F-350 Super Duty DRW
6.0L Powerstroke

Tach wire, is found on the left side of the steering column.  It is a large bundle of wires, taped on the OUTSIDE of that bundle is four wires.  Use the Grn/wht wire for tach.  This wire is taped to the ouside, can be found right by the e-brake.  This wire is capped from the factory, and goes nowhere.  Very easy to find. 

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Hak

Siemens Autostart

Hey Morris, do a search for this information. This vehicle has been posted before and there are complete diagrams for all wires in previous posts.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

 Jeff  thank you I tried a search and only came up with a guy  that you tried to help that put in a pro start and that was it could not find any thing else unless I am searching wrong or putting in the info wrong,I will give him HAKU's info and see what comes up.Again thank you both for answering my request out of all that read this the two of you were kind enough to help.Again thanks

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Morris Hanley
2003 F-350 Super Duty DRW
6.0L Powerstroke

Try these links. I just did a query for Ford F-350 instead of inputing the year:

https://www.the12volt.com/installbay/search.asp?KW=Ford++F-350&SM=1&SI=PT&FM=0&OB=1

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

  Jeff thank you with that link I found enough information to give to installer to fix problem,you have been a great help again thank you

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Morris Hanley
2003 F-350 Super Duty DRW
6.0L Powerstroke

No problem, please post your results from what the installer did if you remember.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

  Jeff we worked on it most of day Car Toys has a Volenteer installer(ME)I stood in the install bay with installer to try and get the alarm not to go off when the remote start is shut down with the Key Fob but could not get anything to work,we even tried the relay that you told the guy with the 2001 ford to try but nothing worked.The 2003 is so much different than all the other years,we had trouble waking the truck up with the negative ground relay,so we will try again when DEI is open on Wednesday.We did get the tach hooked up to the brain and it works great.Ford trucks can be a real pain but we will get it.Have been a Electrician for 25 years and car wiring still makes me crazy.Will let you know what happens on wednesday when we get finished.

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Morris Hanley
2003 F-350 Super Duty DRW
6.0L Powerstroke

Did you guys test the system with nothing but the bare essentials for the system to work ? Try it with no triggering inputs from the truck. Slowly, one by one, reattach the wires until you get the wire that triggers the alarm after shutdown from the RS remote FOB. If it's the doors, then make sure that you have the proper door polarity as well as the proper door wire. The Ford also uses a GEM sysetm that drops it's voltage in it's wires to conserve energy so this may be your problem too.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA