If you not the original owner! Make sure someone has not ran a direct wire and bypast your thermostat. If they have, take it to a dealer and have it rewired. If it is a direct wire job.. It is a FIRE WAITING TO HAPPEN !!! It is normal for the fan to run continuously when the A/C is on. Turn the A/C off and see if it then runs when you first start the engine. If so, then the thermal switch may be defective.
Either an electric fuel pump or an engine cooling fan. Either an electric fuel pump or an engine cooling fan.
It is probably your cooling fans. These are electric and may run with the engine turned off. It is probably your cooling fans. These are electric and may run with the engine turned off.
Electric cooling fan? Fan placed behind radiator to aid in engine cooling activated when engine coolant temperature exceeds 235 degrees F or when A/C or defroster is engaged
Additional engine cooling?
The original equipment for this engine was a clutch-type mechanical cooling fan and not an electrical one. In 1998 the 5.9 L engine with the Max cooling package had an electric fan and of course your Jeep may have been retrofitted at some point with an electric fan but the specific year and engine you mention came with the manual fan.
There is a CEL, Check Engine Light, on the 1989 Thunderbird.
On your 1997 Ford Thunderbird : The engine cooling radiator is at the front of the engine compartment . The radiator is connected to the engine by ( 2 ) larger diameter rubber hoses . ( 1 hose at the top of the radiator and 1 hose at the bottom of the radiator on the other end of the radiator ) If you have air conditioning , the air conditioning condensor will be in front of the radiator
The 1997 Ford Mustang uses an electric engine cooling fan . The electric motor and the fan it drives are in a housing attached to the radiator between the engine and the radiator
The engine computer uses the engine coolant temperature sensor to decide when to run the electric radiator fan. It is located very near where the upper radiator hose attaches to the engine.
If it is a 5.0 from a 1991-93 Thunderbird/Cougar, then yes
In a 1997 Ford Thunderbird the 3.8 liter V6 engine has a timing CHAIN
Jeep Cherokee's have 2 cooling system fans and one climate control fan. One cooling system fan is fan belt driven and the other one is electric and is turned on/off by the engine computer at about 215*. The A/C and heater fan is electric.