-------------- Original message from "Russell Duffy" <13brv3@bellsouth.net>: --------------

Kelly's right; the sensor is in the top of the radiator.

 

Thanks to you both for the info.  I imagine this is a float type, like the oil level sender (which is a monster).  I've seen some perfectly usable senders of this type, with shrouds that prevent slosh from giving you a false reading (again like the oil level sender).  That's probably what I'll have to go with if I put it in the expansion tank.

 

Rusty

 

The sensor is small, has no float......When touched by coolent it provides a ground to the circuit

which turns off warning buzzer.....Attached is info from "Mazdatrix"......Sensor also available

from your favorite parts store......Price unknown......FWIW

 

Kelly Troyer

 

	79-92 Sensor (does not include seal)	15-610B-8553
	93-95 Sensor (does not include seal)	15-610A-N3A1
	79-95 Water Level Sensor Seal	15-6110-8553
**Note: The 89-92 Sensors (factory part number) are outrageously expensive. If the connector is simply changed over (it's just male/female bullet), then the much less expensive 79-88 one works fine. For this reason, we do not even list the OEM 89-92 sensor.

 

Mazdatrix Price Check

Part Name	Description	Part Number	Price
WATER LEVEL SENSOR	ALL THROUGH 92	15-610B-8553	$36.41

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