Located on the LH side of the Fuel Injections  throttle body.

This is for the 85-89 Camaro & Firebird TA  5.0 litre & 5.7lt V8 series Tuned Port Injection  only.

Its the  Corvette 85-89.

Sometimes also knowns as a throttle Position SWITCH rather then a sensor.

GM NEW original part.    It works..!