1978 f250 ford rangerXLT 7.5 L vacuum diagram

https://eautorepair.net/Marketing/Default.asp
no problem told at all just a vague complex hunt.
No car told. just FORD (F250?) super duty?
V10 engine. Dual tanks and dual EVAP canisters>?
no model told Triton is only and engine, sans body
no country of VIN told SMOG parts not the same.
USA FED< USA CALIF or Export model>(VIN)_

there is no 1 page that does them all on any car.
it is by features and chapters above

1. EVAP system
2. EPA smog parts all. see label? EGR ++++
3. Brake booster (brake chapter)
4. FPR fuel regulator (fuel)
5. PCV vacuum path.
6. Map sensor uses plenum VAC.
7. 4WD parts,
8. HVAC parts.
9. more? RTM read the manual , no car told.

not told why. buy a car with no engine?
what?
buy the manual and read.

EPA sticker: quote F250 ford (wild wild guess car)
A vacuum diagram is usually located on the underside of the hood on the emission control label
best i can do , can't see the car you have.

The diagram is under the hood on the
Federal Emission Label

here ya go,don't ever let anyone tell you that they CAN'T get something.

http://images.gtcarlot.com/customgallery/engine/40960853.jpg ford f250 4 6 v8 vacuum hose diagram Bing images

All the details are shown in these 1978 Ford truck wiring diagrams https://www.fordshopmanual.com/ford-truck-wiring-diagrams/1978-ford-truck-wiring-diagrams-pdf-download/

This shop manual has a vacuum line schematic for a 1978 Ford 460 v8 engine https://www.fordshopmanual.com/ford-truck-shop-manuals/1978-ford-truck-shop-manual-pdf-download/

1978 Chevrolet Truck C10 1/2 ton P/U 2WD 4.1L 1BL 6cyl



Fig. 14: Vacuum hose schematic - 1978 250 engine, light duty emissions (except California)



Fig. 15: Vacuum hose schematic - 1978 250 engine, light duty emissions (California)


Hope helps (remember to rate this answer).

Vacuum diagrams for a 1978 Ford F150 are included in this shop manual https://www.fordshopmanual.com/ford-truck-shop-manuals/1978-ford-truck-shop-manual-pdf-download/

you can go to libary look up the information in chiltons book just make a copy of that page for vacuum hose diagram

Fig. Fig. 17: 1977 305 V8 engine-2bbl 49 states

This shop manual will help you https://www.fordshopmanual.com/ford-truck-shop-manuals/1978-ford-truck-shop-manual-pdf-download/