boost control

[dew34]

The inline fuse near the radio for the boost control on a 84 svo mustang , where is this getting its 12v from i have turned the forums inside out looking for a diagram and no luck . I know its keyed is it from the ecu or a ignition relay ?
mike

[MikeFleming]

I don't have it handy, but the wiring diagram/schematic for that circuit is in the small "1984 Mustang SVO Supplement", part of the FSM.