recently i bought this 92 z28. it originally had a 305 but i dropped it and put in a 350(from a 91 iroc). now i have two "extra plugs" that i cant find a place to hook them up. These pig tails are located on the same harness where the air compressor and throttle body connectors are. does anyone have a clue what they are for? one is green the other is white both are two prong.

 

i found out what they are, air select valve and the air diverter valve. i still dont know where they go though. does any body know where this is on a 92 camaro tpi?

 

if i'm not mistaken, that goes to the air pump, which isn't vital to the car's performance. all the air pump did was put more clean air into the exhaust (via the catalytic converter?) to help vehicles pass certain exhaust regulations

 

you have headers? there should be hoses that go from "connects" both stock exhaust manifolds, then to evntually leads to a plastic housing bolted to a tube right behind the air conditioning pump. ALOT of people say "screw the air pump" just to free some extra space which makes it easier to focus on more important things (like air and fuel induction).