After Head swap I have a Electrical connector I can not locate the home to

[clarkjd3]

My wife has an 07 Aveo that needed a head gasket replaced. I did the work myself and the car is back up and running. The problem is now I have a connector left unplugged and can not locate where it goes. (see attached picture)

I also now am getting a flashing hold light on the dash locking the car into limp mode. I do not know if they issues are related but I at this point I am going to assume they are as I did not have the issue before.

Can anyone help me locate where this wire goes? (again please see picture)
Once I find the home I will try to clear the hold light myself or take it to a dealer/mechanic to remove the code.

The Wire in question it a 2 wire/prong light brown and brown. with a black plastic connector/ blue rubber gasket.

[clarkjd3]

I also might want to add that the picture is taken directly under the car looking up at the backside of the intake manafold/plenum. Bottom of the picture is the front of the vehicle and the connector in question is in the same loom as the alternator, (It does not go to the alternator.) and 1 wire connector i think is a temp or knock sensor.

Thanks in advance

[rkvons]

Engine coolant sensor, in the head? Number 21 in the picture.

[djmarch]

Originally Posted by rkvons

Engine coolant sensor, in the head? Number 21 in the picture.

Yea...Good luck on getting to it....I mean how do you access that side of the engine right next to the firewall ? From underneath ?