What is an EAC soleniod on 7747...

[Shannen Durphey]

Ross Myers wrote:
> 
> I was looking over the drawings Shannen so kindly posted for the N.G. I am
> planning a swap from my 1226026 to a 7747, nearly all the pins are there
> only I'm a bit confused as to what a EAC Solenoid is (Pin C2) and the EVRV
> Solenoid (A4)
> 
> Particularly the EVRV, according to the drawing on the 4.3L & 5.0L that pin
> goes to the EGR Solenoid, but on the 5.7L and 7.4L the same pin is used for
> the EVRV Solenoid.
> 
> My guess for the EAC is the A.I.R control as it also hooks up to pin C on
> the ALDL.
> 
> Any answers?.
Surely, surely.  EAC= Electronic Air Control(yup, diverter
valve), and EVRV= Electronic Vacuum Regulator Valve for EGR
control. (why didn't they just say that??).

Shannen
> 
> Regards
> 
> Ross Myers