under the dash
You don't, it is done by the ECM (Engine Control Module).
The ecm would be in the passenger side kick panel.
The ECM and TCCM are located behind the lower dashboard on the passenger side.
It's located on the coolant reservoir on the passenger side fender well.
Where is the ecm located in a 2000 Chevy Malibu
Inside the dashboard, to the right of the glove box.
The ECM unit for a 95 S-10 Blazer is located under the hood on pass. side.. Right in the open.
no ECM's in a 1981
Generally located behind the right hand kick panel, bolted on back. But could also be behind the glovebox
Take the inside of the glove box out and look into the right side and you will see it.
Is there a way to bypass the ECM in a 1993 chevy s10 4.3 vortec