get a Hayne s repair manual they have the best diagrams
You can find a vacuum diagram for a 1991 Ford Bronco 351 Windsor in a Chilton repair manual if the Haynes manual does not have it. You can also check with local auto stores.
the diagram should be under the hood on the sticker with the emissions information
vacuum hose dimgram for 1994 ford bronco
vacuum diagram for 1978 cordoba
ALLDATA OR BOXWRENCH.COM
You can find a vacuum hose routing diagram for a Quadra jet four barrel carburetor at most auto-parts stores. Some Ford dealerships will also have the vacuum routing diagram.
If you need help finding a vacuum hose diagram for a 1977 Ford Bronco, check the owner's manual. You can also check local auto part stores.
Need more information.
go to autozone.com, they have free pics
THERE IS USUALLY A VACUUM AND BELT DIAGRAM IN THE ENGINE COMPARTMENT. IT IS SOMETIMES CONCEALED BY A REMOVABLE COVER OR FAN SHROUD.
at a store example autozone
checker auto parts