The wiring diagram for a 1998 Ford F-150 can be a valuable tool for anyone working on the electrical system of this popular truck model. The diagram provides a visual representation of the different electrical components and their connections, allowing for easier troubleshooting and repairs.. Page 1 1998 F-150/250 Workshop Manual Page 1 of 74 SECTION 308-07A: Transfer Case — General Information 1998 F-150/250 Workshop Manual DIAGNOSIS AND TESTING Procedure revision date: 12/04/2002 Transfer Case—ESOF Refer to Wiring Diagrams Cell 34, Electric Shift Control for schematic and connector information. Refer to Wiring Diagrams Cell 20, Starting System for schematic and connector.
automotive electronics repair resources. You are here: Wiring Diagrams; Ford, Lincoln, Mercury; Ford F150 1998 wiring diagrams. AIR CONDITIONING A/C Wiring Diagram for Ford Pickup F150 1998List of elements for A/C Wiring Diagram for Ford Pickup F150 1998:(engine control sensor harness, near breakout to mega fuse (pdb)) s126(heater blower motor feed harness, in breakout to blower motor resistor)(lower right kick panel inner) g203(main harness, in breakout to All Wiring Diagrams for Ford Pickup F150 1998