86 IROC SWITCH IS NOT IN THE PASSENGER HEAD. THERE IS A PLUG INSTEAD. WHERE IS THE SWITCH IF NOT THERE? TRYING TO REPLACE WITH ONE THAT CUTS ON SOONER.

 

dude mine is on the passenger side how bout the drivers dont make sence though but would work there

 

there is a sensor on the drivers side but it is the temp sensor for the temp gauge

 

It is starting to look like your car never had a switch and the fan was controlled by the ECM. I think your best bet at this point is to get that plug out and install the switch there. I know on your other post you did'nt know what tool to use or size - I think its called a plug extractor. Maybe you could grind down the end of the 3/8 extension that was too big.

 

i think you may be right. all i want is a fan AND a/c. think i'll take it to the shop. thanks by the way the size on the plug extractor is 5/16

 

If you want, I have a 180deg switch (you said you wanted to go lower).
You can mount it ANYWHERE on the engine, it's not the thread-in type. So it's easy to install.

PM me if interested.
Lou

 

Mine was between sparkplug six and eight(passenger side, toward the firewall, i could follow the dip stick for the oil on mine).....the switch looks like a temp sensor sort of..it has one wire going to it. Hope that helps. I have a 5.7L