Coolant Level Sensor Pin Location
 

An update on my wiring situation....


I found the pin connectors on the wiring harness for the broken knock sensor wire and the coolant temp sensor, however the coolant level sensor I'm having a bit of a problem with. I can't get to the nub that was left after the wire broke, so I can't OHM it out with the pins on the harness.

I was wondering if anyone can give me the exact location on the wiring harness plug in (color and wire color and pin location) of the coolant level sensor that runs to the front of the water pump. I would greatly appreciate any help you can give me.

Nobody knows the location of this pin? I can't seem to find it in the service manual, and I sure don't want to listen to the buzzer when I start the car for the first time lol

up top again

ready for this???

coolant level connector is C1-07 on the Emissions harness.
it connects to the Engine harness at C1-06 then to the Front harness at X-12 the the Instruments harness with X-06, then to the cluster C1-01...pin 3D.

C1-07 is Brown wire, and it turns to a BR/W in the emissions harness

Thanks! Now I just have to find the wire ;)

If all you want to do is shut up the warning beep just ground the brown and white wire on the larger of the two grey connectors which sit atop the drivers fender under the hood.

and if you want a properly functioning car, don't do what twokrx7 suggested.

What would happen if I leave it disconnected and just turn off the buzzer? I just found that I'm going to need a new coolant level sensor since the wire that comes off the back is non existent. :(

I can buy a new one, but if it doesn't really serve a purpose other than letting you know coolant is low (and won't mess up the computer) then I think I'm going to just ground out the buzzer for now. Maybe down the road I'll pick up another sensor when $$ lets me, but right now this motor pull, rebuild, and replace project has already broke the bank.

Up top....need an answer to that last question please :)

I suggested it to indicate the location where the circuit was located (in plain english), I don't advocate deleting the sensor on the 7 but since I'm doing a v8 conversion that is exactly what I did. Why the hell and I sounding like I'm apologizing, blow me, jk :)

The main thing that would happen is you would not know when your coolant is low, which could cost you another rebuild. It's cheaper to replace the sensor than rebuild the engine again. Hopefully you can see the advice that I am trying to give.

Joe

Just curious: What happened to your engine and why are you having it rebuilt?

When I bought the RX7 off of ebay I wasn't told about it's engine condition....it was leaking oil and puffing white smoke upon arrival.

So finally after messing with a few things to try and figure out the bucking I was getting, I just said screw it and pulled the motor.

Turned out it was leaking coolant into the motor (the white smoke) and I had 4 oil leaks and a cracked front cover.

I had Gonzz do the rebuild here in Vegas for me, and now I'm getting ready to drop it back in. Just waiting on my downpipe from RX7 store and I'm set.

This motor was definitely abused and beaten on, lot's stuff was misplaced and broken when I pulled it out, someone attempted to return it back to stock after modifying it. I found holes in the firewall where lines were run for a boost gauge, holes drilled in the a-pilar to mount it, stock lines were missing the boost pills, vacuum lines running where they don't go, etc. The stock air box was all messed up too, pipes were broken off and the guy used a socket as one of the crank case vent tubes lol...


So anywho, I had a major project on my hands. Pretty much ready to go back in, just need to finish up by putting the downpipe on and maybe replacing this sensor, and I'm done.

call ray at malloy, I believe I paid $56 for the sensor

Hell, ask Fritz. He's probably got a good used coolant sensor

most used ones have cracked wire insulation...Fritz even told me its worth the money to get a new one.