Overall, the Ford F550 wiring schematic is a great resource for anyone who owns the truck. It provides an overview of the wiring diagrams, electrical components and connectors needed to operate the truck, and it can help you troubleshoot wiring problems in a more efficient and cost-effective manner.. 2008 F250-F550 WiringDiagrams - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document is a table of contents for the 2008 F-Super Duty 250-550 wiring diagrams manual. It lists over 160 sections covering all electrical systems for the vehicle, including chapters on headlamps, climate control, engine controls, transmission controls, and component testing.
Original factory 2008 Ford F-550 Super Duty Truck Wiring Diagram Manual from Ford-Manuals.com. We offer the lowest prices with the best selection on service repair manuals, owners manual, electrical wiring diagram and parts catalogs.. The following pages show wiring diagrams for 2005 - 2008 F250 - F550 trucks. From 2005 - 2007 the wire color is Gry/BLK and is pin 21 on the ABS module connector. For 2008 + the wire color is Ye/Blue and it is also pin 21 on the ABS module connector.