It is on the left side of the TBI Throttle body, and it screews into the side of it.
with a electric connector plug on it. ( Idle speed control)
The EGR valve is on the lrft side of the intake manifold, close to the valve cover.
Yes.
YES.
A 1993 Chevy does not have a carburetor, it is fuel injected.
4L60E transmission.
1993 chevy 4.3 v6 1500 truck temp gauge inoperative,
inside the distributor
225/75/15
Should be about 5500 Lbs.
4L60E automatic with overdrive.
YES
on the back side of motor by firewall
Most likely you have a flasher that needs to be replaced.