There are 2 on the engine, there is one next to the thermostat housing that sends a signal to the engine computer that takes a 1 inch wrench and there is another one that sends the signal to the Dashboard gauge and is located on the rear of the engine on the passenger side of the vehicle and you need to take off the cabin engine housing to get to this, this takes a 11/16 wrench and has a push on plug, be sure to de-pressurize the system prior to taking off these units, a ground will send the gauge to the hot side and an open switch will keep it on the cool side, so test the wire to be sure the gauge works first.
It is located to the left of the distributor.
That is the temperature sending unit for the engine coolant and it should be in the drivers side head between the first 2 spark plugs.
on v-6 engines it's located on the front of the intake manifold,on 4 cylinder engines its located on the thermostat housing
Temperature Gauge Sending Unit The sending unit is located in the front section of the manifold in the vicinity of the thermostat.
The 1994 Chevrolet Astro V-6 engine temperature sending unit can be located on the front of the engine. The temperature sending unit will be next to the thermostat housing.
The temperature sending unit on a 1994 Lincoln Town Car is on the top front of the engine. It is directly in front of the distributor.
Temperature.
Aprox 11 qts.
There's a coolant temperature sensor located on the lower part of the water pump on the drivers side.
240 up
We need to know which sending unit you speak of. There are several on that vehicle such as temperature sending unit, oil pressure sending unit and fuel gauge sending unit.
I had a similar problem with mine.... temperature gauge would shoot up after 10 minutes of driving and all the coolant would be gone... started watching the tail after replacing the coolant and saw white smoke... found out later it was a crack in the cylinder and it was burning coolant... this may not be your problem, but it mite help...