On the steering wheel.
with a new one
it is mounted on the starter.
Regular green stuff.
http://forum.topspeedautogroup.com/ ask loosenut.
Passenger side firewall
In the gas. Of course.
These vehicles use the 4T60-E transmission.
The regulator on a 1994 Chevy is inside the alternator.
Follow the upper radiator hose from the radiator to the engine. It's behind there.