near the thermostat housing
On a 1986 Cadillac Fleetwood, the radiator fan relay switch is typically located in the engine compartment, near the front of the vehicle. It is often found mounted on or near the radiator support or the inner fender panel. You may need to consult the vehicle's service manual for the exact location and identification, as it can vary slightly depending on the specific model and configuration.
Your best bet is to get yourself a Haynes Manaul for the car. All of the locations of parts are in photos and diagrams. You can get a Haynes at any good auto parts store.
In a 1985 Cadillac Fleetwood, the fan relay is typically located in the engine compartment, near the fan motor itself. It can often be found mounted on the radiator support or near the fuse box. To access it, you may need to remove some covers or panels to reach the relay for inspection or replacement. Always refer to the vehicle's service manual for precise locations and procedures.
the sensor that turns them on could be bad or the fan motors them self could be bad
Remove the wiring harness from the back of your 1999 Cadillac Escalade radiator fan motor. Remove the radiator fan motor retaining bolts. The radiator fan will come off.
The radiator fan sensor switch or the radiator fan motor are at fault (maybe even both). Wire the fan motor direct to see if it will run, if it does, replace the sensor switch. If the fan motor doesn't run, replace the fan motor before you buy a new sensor. If after replacing the fan motor, the fan still doesn't run, then replace the sensor.
Its below the radiator mounted to the frame
The engine temperature sensor is located next to where the upper radiator hose attaches to the engine. The computer uses that sensor to decide when to actuate the radiator fan relays and turn the fans on.The engine temperature sensor is located next to where the upper radiator hose attaches to the engine. The computer uses that sensor to decide when to actuate the radiator fan relays and turn the fans on.
On a 1999 Cadillac DeVille, the fan control sensor is typically located near the radiator or on the engine itself, often in the vicinity of the coolant temperature sensor. It can be found on the engine block or near the thermostat housing. For precise identification, consulting the vehicle's service manual or a repair guide is recommended.
were is the fan relay located at
Probably a temp sensor for your fan(s).