This three prong round switch used on all 93 & 94 Camaro and Firebird TA's.. is metal stemmed and black plastic barrel main body with three small thin pins in the female end.
Its the FUEL CUT OFF.. for long oil pressure reaction.. and Oil Sender switch.
.jpg "Accelerator Rod Support 64-67 GM STEEL Various")
.jpg "Park Brake Handle: 67-79 Various")