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Use a test light. You should have power coming in on a larger wire pretty much all the time. You have a signal wire that is only hot when the fan is needed. Turn the ac on. the fan should run anytime it's turned on. if that works, your relay works. As always, check the fuses.
What else can I help you with?
Where is the radiator cooling fan relay?
on a 1999 jeep grand cherokee where is the coolant fan relay
Does the coolant temp sensor on a 2002 cherokee control the radiator fan relay?
The engine computer uses the signal from the coolant temperature sensor to decide when to activate the radiator fan relay.
What do you do when the coolant is bubbling and the blower will not come on in a 97 Cutlass Supreme?
change the coolant fan relay
Where is the coolant fan relay located on a 1988 Chevy Celebrity with a 2.8L engine?
The coolant fan relay on a 1988 Chevy Celebrity with 2.8L V6 is on the radiator support bracket behind the right hand headlights.
2000jeep 4.0 coolant fan relay location?
In the vicinity of the passenger headlight.
Where is the coolant fan relay on a 95 Acura Legend?
The coolant fan relay on a 1995 Acura Legend is typically located in the under-hood fuse/relay box. This box is situated near the battery, on the driver's side of the engine compartment. The relay can usually be identified by referring to the diagram on the inside of the fuse box cover, which indicates the specific position for the coolant fan relay. If you're having trouble locating it, consulting the vehicle's service manual can provide further guidance.
Where is the fan relay switch located on a 1995 Monte Carlo located?
The fan relay will be located in the PDB box in the engine compartment. The relay is controlled by the coolant temp sensor and the computer. Hope this helps.
If the engine coolant sensor andconnector were replaced on a 1999 Saturn sl1 why is the fan motor not working?
bad fan or bad fan relay
99 Jeep Grand Cherokee nearly over heats in stop and go traffic the coolant level is okay and changed the thermnostat how do you verify it is the radiator electric fan or fan relay?
jump power from the battery to the fan directly to see if the fan operates. if not, replace fan. interchange another relay with the fan relay to check the relay. there are usually the exact same relay located in the engine bay.
Where is the relay for the cooling fan on a 1989 Mazda 323?
It is on the fender right beside the coolant reservoir.
What cause the coolant fan to stay on after you turn off key on a 1997 escort?
bad relay
Where is the coolant fan relay on a 97 voyager located at?
It should be in the fuse panel under the hood.
