It hooks to a vacuum port on the intake manifold behind the carb.
That transmission is all computer controlled. No vacuum lines on it.
no
There are several vacuum hoses. They are the small black tubes that connect things.
vacuum advance can connect anywhere there is vacuum present,carbuerator base is a good spot
That year transmission did not use 1
It doesn't have one its electronic
No it does not. That transmission is electronic controlled.
They were not used on that year model. The 93 transmission is computer controlled. Time to take it to a transmission shop.
The vacuum modulator on a 1989 Chevy K-1500 4wd 5.7 is underneath the transmission. It can be reached from under the car.
On the back of the trans. There should be a vacuum line running to it.
That transmission is electronic controlled. No need for a modulator valve.
If your transmission has a modulator it is on the side of the trans and it has a nipple on it for the vaccum line. I you. Mark