Are you referring to the Temperature Gauge Sending Unit if so The sending unit is located in the front section of the manifold in the vicinity of the thermostat.
Check fuses
check fuses
how do you check the abs sensor on a 1998 contour
check fuses
Check the brake light bulbs, Check the brake light fuse, Check the brake light switch, In that order.
Check Owner's Manual. If you do not have one. Check Related links below. check under fuses
It's simple. Sit in the seat turn the ignition to ON, and turn the seat heater control to ON. Then wait a few minutes and it the heater is working you should feel a warm sensation where your legs and butt contact the seat.
According to the 2006 Ford Expedition Owner Guide : The " CHECK GAGE " light comes on if the engine coolant temperature is HIGH or the engine oil pressure is LOW
check the fuse.
Check to see if compressor is working - if not may be a bad fuse (at the compressor) or low refrigerant charge Make sure temperature control is working and is set to "cool" position
every 2 hours
The expedition door lock relay could be stuck causing the grinding noise. Check to insure that the lock relay is working properly.