I am trying to find my cts... both of my repair manuals say it is on the front lh side of the engine... i bought one today and the box it came in said fan switch... the only thing i can find that looks like this is on the rear rh side below the manifold in the block...

Am i missing something?????



------------------
Mike
88 Iroc-Z 350 tpi, Hedmann Headers, 3.5 " Cat Back, MSD Ignition, K&N Cold Air kit

 

Look on the front edge of your manifold base. You'll see it there.....I think...

------------------
86 Trans Am WS6 Black with tinted windows, shaved door handles
ZZ4, Mini-ram, true duals, LT4 HotCam, AFR 195 heads.
***Too many other mods to mention***

"In the future, cities will become deserts,
roads will become battlefields, and the hope of mankind
will appear as a stranger" The Road Warrior

 

you are correct

------------------

click below to check out....
www.formula350.com

or click below to email me
webmaster@formula350.com

 

I am not an expert at this but it seems there might be a communication problem here. It's been my understandning that the cts at the front edge of the manifold base was the one which told the engine what temperature that car was at. He said that the box for his CTS said fan switch(it should then have just one wire for it?). That means it should go in the passenger side between the 6 and 8 spark plugs. Which CTS are you trying to replace? I could be way off here so somone please correct me if I'm wrong. Arnold

 

yes it has only 1 wire... i think they gave me the wrong thing... i wanted the sensor that tells the ecm what temp the car is at... does this have more then 1 wire?

Or does the fan switch (located btw the 6 and 8 cyl) tell the ecm what temp the engine is at?

 

Okay, here's the deal guys.

Your CTS (Coolant Temperature Sensor) is a two-wire temperature sensor located at the front edge of your manifold base. This is the sensor that supplies coolant temperature readings to your ECM to determine cooling fan on/off times, open/closed loop, and a couple other parameters.

The one-wire temperature sensor found either between the #1 and #3 cylinders or the #6 and #8 cylinders (Both areas will work), is used to provide gauge readings on your instrument panel and also for the temp light.

MJ, You are in need of the CTS. The parts store gave you the wrong part. You need the two-wire sensor.

Hope this helps

[This message has been edited by Steves ZZ5 (edited May 27, 2001).]

 

The one between the #1-3 cylinders is for the guage, the one between the #6-8 is the cooling fan switch.

 

thanks... i have the right one now...