Belt routing diagram 1991 ford F150 4 - Fixya Diagram for installing serpetine belt 1987 ford 4.9 liter Belt removal instructions (and routing information) may be found on a sticker under the hood. I have posted a picture of the diagram below if these instructions have faded. Ford F250 Wiring Diagram Online | Free Wiring Diagram Collection of ford f250 wiring diagram online. A wiring diagram is a simplified standard photographic representation of an electric circuit. It reveals the elements of the circuit as simplified shapes, as well as the power and also signal links between the devices. Ford Wire information :: Your Ford wire information authority 186 FORD LTD 4DR SEDAN wiring information: VAN FORD ECONOLINE 1986 VAN wiring information: 1993 FORD F150 2DR PICKUP wiring information: 1988 FORD RANGER 2DR PICKUP wiring information: VAN FORD ECONOLINE 1993 VAN wiring information: 1988 FORD AEROSTAR MINIVAN wiring information: 1991 FORD AEROSTAR MINIVAN wiring information: 1985 FORD F150 2DR