Hello:

Anyone out there know what this is/was supposed to be?

I'm guessing it is part of the cooling system. Also, there is a green wire that appears to be hooked into one of the fans. the other end goes directly to the battery.

Pictures are attached.

I would like to undo the previous owner's mods and return to stock before I start upgrades.

Any thoughts or suggestions would be greatly appreciated.

Thanks!

 

Coolant Temperature Sensor

 

u8nless the renix motor has been removed and a HO 4.o installed that is not where the renix cooling temp sensor is located on your year, as for the fan being wired straight to battery the radiator should have a switch located on driver side tank right above the hose that would control the fan

 

Looks like someone put a newer model
t-stat housing on. If someone wired up the fan straight to the battery then there might be a problem with it functioning properly when you fix it, I almost wired mine straight up but I tried a new relay first and that fixed it.

 

I believe this is a Renix, not an HO.

So if someone has switched out the t-stat housing, is there a plug I can put where the drywall screw is currently residing?

Also, where is the temp sensor on a Renix located?

 

just unscrew the sensor and get a brass plug for it the coolant temp sensor is located on the drivers side engine block under the intake/exhaust manifold .. FYI on renix it has nothing to do with the cooling fan operation .

 

Renix links...https://www.cherokeeforum.com/f51/he...ix-links-1397/

 

My 87 the temp sensor is in the head by the intake manifold.
MY knock sensor is on the block where you have it highlighted......
Strange.

 

Your temp gauge SENDER is at the back of the head. The temp SENSOR for the fuel injection system is on the driver's side of the block about 1/2 way back.