Where is the coolant sensor location on 2007 equinox ?

Reconnect the plug on the Coolant Temperature Sensor. He didn't reconnect it.

https://www.google.com/search?q=2007+chevy+equinox+coolant+temperature+sensor+location

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Temperature sensor's located on right side of engine by exhaust pipe.

there should be one speed sensor for every wheel some speed sensors are located in the wheel hub

From what I just read about your vehicle,it has a history problem with the gauge,may be the coolant temperature sender or the gauge,it says the whole cluster will have to be changed to be fixed if the gauge is bad,found some forums and all had gauge problems.Right above the coolant temperature sensor is the coolant temperature sender,this is what sends the temperature to your gauge,the sensor sends a signal to the computer,they may have replaced the wrong one,here's a link to the sensor,the hole above it is where the sender goes,it's a one prong part,the sensor is a 2 prong part.A lot of people don't know that there are 2 types of coolant temperature gauge sending unit and sensor.

One should be around the thermostat and one (if you have one) on the radiator

http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f80cb1a8a Here's a link on how to remove.

It should be near the thermostat in the front or on the back of the intake near the edge of the cyl head.

Since the coolant temperature sensor is an input device for the engine control computer, and it is located somewhere on the engine, don't you think it would be prudent to mention WHICH ENGINE your 2005 (or is it 2006?) Chevrolet Equinox is equipped with?

I would be happy to help you if I knew for sure what we were talking about...

Hi, the coolant sensor is located at the end of the cyl head. In order to replace it, you need to remove the top engine cover. Remember, there is coolant behind the sensor, and the engine should be cold. Good luck...Coop