Question about 1999 Buick Century

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Radiator fan does not come on i don't know what fuse to check

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  • Buick Master
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Are you sure? Its designed to come on at a particular tempreture and then cut out again. The cooling fan is only supposed to come on for a short time and then cut out again. That operation saves your fuel for you.

Posted on Oct 02, 2010

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Radiator fan


Most relays are identical, try swapping it with another one to see if the problem remains. If your coolant gauge is working fine, I would not suspect the sensor. Make sure to check fuses too.

May 21, 2013 | Cars & Trucks

1 Answer

My 2002 jeep grand cherokee laredo wull not start shutdown 2 days ago checked all fuses but the ecu fuses don't know how to find them


According with your other quesions, the DTC P1491 code is actually radiator fan control relay circuit.
Soft reset if the battery disconnect would have erased the code; the first thing I would replace for that code (fan relay).
Additionally, its possible thta your THEFT system is activated, check owners manual to disarm. Check details here:
- Grand Cherokee fuses

- Diagnostic Trouble Codes

Hope this helps.

Mar 07, 2012 | 2002 Jeep Grand Cherokee

1 Answer

Does someone knows the # or location of radiator fan fuse of a '97 corolla?


I don't think it has one. Mine would fail due to the thermo switch in the base of the radiator. It has two heavy wires coming from it. Touch them together and see if the fan runs. If it does, replace that- if not see if it is getting power to one of the wires.(key on). If not- track the wire that does not go to the fan and see where the power should be coming from.

You might try tracing the ground wire to the fan also.

Dec 07, 2011 | 1997 Toyota Corolla

2 Answers

My truck keeps running hot. We change water pump, fuel pump, alternor, new belt, coolant temp sensor, and fan relay. Also A/C is not working so the fans wont come on. Is it another sensor in the truck...


Try connecting your fans directly to the battery to know if they are working. If they don't replace your fans. If they are ok, then change the thermostat.
Try this:
When engine cold, remove radiator cap, then fill the radiator with water and start the engine. If water jumps out of the radiator and continues going out as the engine warms up, then you have a bad head gasket and that's why is running hot.

Jun 29, 2011 | 2002 Buick Rendezvous

1 Answer

Our Regal's a/c fan was stuck turned on, even w/ the ignition turned off. Draining the battery to dead. My wife took it to a Buick dealer who's only solution at that time was to pull the fuse out. So...


the radiator fans use a fuse,relay,temperature sensor which the computer controls to turn on the fans at the specified temperature.you don`t say if this problem occurred when the blower motor fan fuse was removed.it is not uncommon for the rad cooling fans to seize and not work,the blower motor uses an electronic resistor block on the air box under the hood with i think about 6 wires in the plug and is about 3.5"long and 1"wide.held by 2 bolts(screws).this is feed power all the time and when the control switch is turned for different fan speeds the switch grounds the circuit.at times the resistor shorts causing the fan to run continually.i think you need a new resistor to fix this problem.

Apr 01, 2011 | 1997 Buick.5 Regal

1 Answer

Need to know which fuse is for the radiator fans


Check underhood two Electrical Center (driver and passenger side) for primary and secondary FAN relays...

Also I suggest check the 1998-Chevrolet-Lumina-Owners-Manual for other details (page 299 and next).

Hope helps (remember rates this).

Jul 09, 2010 | 1998 Chevrolet Lumina

1 Answer

The radiator fan doesn't seem to be working. I


Fan fuse is located in the underbonnet fuse box Check that power is going to fan with a test probe because it could also be the thermoswitch

Jul 10, 2009 | 1999 Audi A6

1 Answer

Is the radiator fan the same as the cooling fan?


The cooling fan is used to cool the radiator.
There is a sensor that turns the fan 'on' if the radiator gets too hot. A light comes 'on' to tell you the fan is 'on'.

If the fan ran all night the sensor is bad and the (sorry for the pun) the idiot light is on to tell everyone something is wrong and it needs service.
DON"T run your car with out the fan!

Jun 23, 2009 | 2005 Chrysler Town & Country

3 Answers

Coolig fans dont run


the cooling fans are run by a relay it's located in the junction box. check this. there is also a thermoatic sensor located near the fans next to radiator. the fans should free spin when the engine is off this is a good indiacator that it's not the fan themselves. if the relay checks out(run engine and switch the fan relay with the a/c clutch relay when the engine reaches 180 degrees you will feel the upper radiator hose get hot the fans will turn on a short time later iof they don't it's the temp sensor near the radiator if they do it's a bad relay...please rate this thanks

Sep 28, 2008 | 1994 Pontiac Grand Prix

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