Throttle Control Relay

1994 s10 balzer 4.3 vortec vin w what does the throttle control relay do and where is it?

I'm not sure I have ever heard of that part? Are you sure it isn't a throttle Position sensor?

I'm not sure I have ever heard of that part? Are you sure it isn't a throttle Position sensor?
ok its located by the fuel pump relay testing the part and posting results