Below the water neck on the front of the intake.
The temp sending unit for the temp gauge is located on the drivers side of the engine between cylinders 3 and 5 spark plugs.
The temp sending unit on the engine could be unplugged or faulty.
It should be right beside the thermostat housing unit.
Could be the temp sending unit located on the driver's side head, between the #1 and # 3 spark plug.
Could be, low on coolant (a leak in the system), a stuck closed thermostat, a faulty temp gauge sending unit, a bad head gasket or cracked head (worst case scenario).
The temp sending unit may be shorted to ground. Unplug the sending unit to see if the gauge drops to cold. If it does, you have a faulty temp sending unit.
Do you mean the Temp sending unit, oil pressure sending unit, or fuel level sending unit?
Which sending unit? Oil pressure sending unit? Engine temp sending unit? Fuel gauge sending unit?
A faulty temp sending unit can do that.
If the wiring and connections at the coolant temp sending unit check okay start with replacing the coolant temp sending unit. Temp sending unit should be less than $20.
What sending unit are you looking for ? Fuel , oil pressure , water temp ?
The temp sending unit should be found close to the thermostat housing. It will have a single wire attached to it.
To fix the temp gauge check the temp sending unit first. A bad sending unit is a common problem with the temp system.
Temperature Gauge Sending Unit The sending unit is located in the front section of the intake manifold in the vicinity of the thermostat.
THE temp sending unit 4 the inside gauge usally has 1 wire & the sending unit 4 the Computer has 2 wires.
where is the temp. sending unit located on a 1999 ford ranger xlt 6cyl 3.0l .Gauge does not work.
Check your grounding on your temp sending unit.