You may find two temp sending units on that S10. One next to the thermostat housing and one between #3 and #5 spark plugs. The one with one wire attached would be feeding the temp gauge, the one with two wires attached would be feeding the ECM.
It should be located on the front of the water pump.
230.3fh
Bad temperature sending unit? Bad gauge?
Coolant temperature sending unit is located on the front of the engine. The cooling temperature sending unit will be on the right hand side of the engine.
The 1996 Oldsmobile Cutlass Supreme temperature sending unit can be found on the front of the engine. The temperature sending unit will be a few inches above the thermostat housing.
To the left of the thermostat housing, It screews into the intake water jacket.
where is the back wipers water pump locate on a 1996 chevy tahoe
wher is the temp sending unit on a 96 oldsmobilr cutlass
on the side of the radiator
could be the temperature sending unit
to the left of the oil filter at the rear of the engine (97 Cavalier)
Bottom right of the water pump. Dead center of the engine in the front.