Help identifying these connectors on 1G engine Harness

[whiteonwhitegst]

i have few connectors hanging on my engine bay that i dont know where they go..

attatched is a picture of a engine wiring harness that have the plugs circled in red that are loose.

BTW I have a cyclone motor and therefore it has no EGR not sure if this helps?

if possible, if someone could edit the pic I attatched and label what each connector goes to, Thanks

 

[92nolatist]

We need a picture, friend.

 

[whiteonwhitegst]

We need a picture, friend.

sorry, that would help!

 

[e85_4g63]

White circle (throttle body switch, the one on the top that grounds when your TB is closed. Forget the official name of it.)

Blue square (A/C compressor wire, engages the A/C clutch when you turn on the A/C button inside the car)

Green line (Knock Sensor)

Orange and Red lines (not 100% sure, but I one of these is to the Cruise control unit on the 91 to 94 cars, the other one, starter perhaps?. Not 100% sure on these two, as it's been a little since I've had my 1g running)

Hope this is somewhat helpful!

 

[nightracer91]

Your orange line there looks like the cruise control connector. The other I'm not sure.

 

[BIRDCLAWTSi]

All of the above are correct aside from the red which is not for the starter. I do not know what it is actually used for but it is taped to the harness on mine. I think it is a green and a black wire.

 

[whiteonwhitegst]

you guys are good and quick!..can anybody chime in the red connector??

also my throttle body has that single pin broken, if its not grounded when the throttle is closed, what does it effect?

 

[BIRDCLAWTSi]

you guys are good and quick!..can anybody chime in the red connector??

also my throttle body has that single pin broken, if its not grounded when the throttle is closed, what does it effect?

The closed throttle switch tells the ecm the throttle is closed, I believe it has to do with idle air control, And TPS, I dont think anything bad will happen with it disconnected, The ecm will just never see the throttle fully closed. The way i see it is, The tps cant tell the ecm that the throttle plate is closed all the way(Home) So the closed throttle position switch is like the "home" Position for the tps. If that makes any sense at all. Also, Is the "red" connector taped to the harness on yours?

 

[92tsiawdguy]

The single wire (throttle plate closed) if not connected once you let off the gas it will stall the engine.