I have attached a Zip file with some of the necessary images regarding the electrical system
08 Superduty diesel (some gas are the same see schematic)
All Door Windows
All Anti Theft
All Keyless remote
All Interior lighting
All Parking turn signal lights etc..
All Power Door Locks
All Starting system
All Audio systems
All NAV Systems
All Upfitter Relay schematics (just re-download the zip file)
***Updated*** Added 03.06.08
1: Installers cheat sheet for elecronics by Audiovox (a real helper)
1: Pic of Tach wire and location Added 03.06.08
*** Updated *** Added 03.06.08 (7:30pm est)
1: DEI/DirectD Installers Cheatsheet (Better then the Audiovox one imho)
*** updates to come as needed ***
I will keep adding to this file
as several dozen files to screencapture
contact me if their is something specific
Ive got the whole superduty lineup for 08 on file.
BTW file is here
hmmm upload failed... tried 2 diff browsers.
I too own a '08 F-250 Diesel
I have the factory ford CD with all diagrams.
feel free to contact me regarding this info
I can either post here or email to you.