Right behind the distributor and it is tough to get to.
http://www.ehow.com/how_5041038_change-signal-switch-chevy-blazer.html
oil pressure switch or knock sensor
On a 1994 Chevy C1500 5.0 V8 it is the top valve with a black cover next to the coolant resivoir
In the throttle body.
Have a fuel pressure test run.
NO not even close.
It is right behind the Distributor and screewed into the top of the engine block.
i need to know the wiring diagram for the brake switch .. it has six post divided into two plugs
Why is the water not circulating in my 1995 C1500 Chevy truck?
GM vehicles do not use inertia/reset switches
On google images type "door handle diagram Chevy C1500"