Question about 2001 Ford Focus

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Where do ya connect the wire from the battery to the fan to jump it to see if motor is good/ re:overheating

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Connect to the yellow wire or red one

Posted on May 28, 2011


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Cooling fans not turning on

spin fans make sure there not seized check for power and ground to the fan connectors when the car is overheating if no power jump the temperture sensor or disconnect it depending on style fans should operate if no ground check wiring diagram and check ground connection and wire continuity if both power and ground are good replace fan brushes worn out

Oct 24, 2012 | 2006 Dodge Magnum

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Both fans arent working, checked the fuses there fine

ceck your cooling fan relay first, if not thr rea
lay thrn cooling fan switch which is usually in the block. best odds is the relay though. relay could be under hood or under dash. you can sign up online to autozone . com. once signed up you can vue the repair manuals online, at no charge, and you can also print out the repair manual pages, to help you locate the relay placement, it should show you where it's at.

Sep 14, 2012 | 2002 Saturn L-Series

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The fan can be driven by a drive belt off of the crankshaft or it can be operated electrically. Regardless of the design used, inspect the fan blades for stress and cracks.
Electric fans are also inspected for damage and looseness. If the fan fails to turn on at the proper temperature, the problem could be the temperature sensor, the fan motor, the fan control relay, the circuit wires, or the controller. To isolate the cause of the malfunction, attempt to operate the fan by bypassing the control. On a computer-controlled system, this can be done by using a scan tool to activate the fan. If the fan operates, the problem is probably in the coolant temperature sensor.
It is also possible to check fan function by jumping the fan relay to attempt operating the fan motor. If the fan operates, the relay may be the faulty component; however, additional tests will have to be performed on the control circuit of the relay.
A jumper wire can also be used to jump battery voltage directly to the cooling fan. If the fan motor fails to operate, check for proper ground connections before faulting the motor.
To direct air flow more efficiently, many manufacturers use a shroud. Proper location of the fan within the shroud should be at lease 50 percent inside the shroud. If the fan is outside the shroud, the engine may experience overheating due to hot under-hood air being drawn by the fan instead of the cooler air. If the shroud is broken, it should be repaired or replaced. Do not drive the vehicle without the shroud installed

May 08, 2012 | 1996 Pontiac Sunfire

1 Answer

The fan on my 2004 Grand Prix quit working 2 weeks ago. Checked fuses and that doesn't seem to be the problem. Any ideas?

if its the cooling fan at the rad then your talking about then if you disconnect the plug on the fan and run jumper wires to it directly from the battery it should run.also check the plug connection to make sure its in good condition and no corrosion.if you jump the fan motor and it doesn`t run tap the motor it should run either way if it doesn`t then the cooling fan motor needs replacing.

Nov 03, 2011 | 2004 Pontiac Grand Prix

1 Answer

My fan motor is not working. I have tested the voltage coming from the wires which connect to the motor prongs and i get 14 volts, the fuse is good, and i jumped the motor at the battery and it...

Voltage isnt the problem, the ground is. check the blower resistor, its a panel near the blower motor thats bolted nearby with 4 or 5 wires on it. Usually when it goes you lose 1 or more speeds, but high speed usually doesnt matter.

Aug 30, 2011 | 2003 Acura 3.2TL

2 Answers

The fan isnt running is it ran by a fuss

It is run by a Relay and Temperature sensor and there is a FUSE in the system, need more about the year/make/model

May 26, 2011 | Dodge Grand Caravan Cars & Trucks

1 Answer

Have a 1993 Buick Century that keeps overheating. New thermostat put on, new water pump put on, radiator has been rodded out & flushed & engine flushed. Help!!!!

You do not mention the fan. Is your fan working? Start the engine and turn on the A/C this should force the fan on. If it does come on with the A/c you will have to see if it comes on during normal operation ( start the engine w/o A/c and let it run until the temp gage gets into the red) If it does not come on by itself you have a bad block temp sensor / or fan relay circuit.. Hope this helps Fix Ya up. If you have to in case of emergency, straight wire the fan from the battery. It is a two wire motor. One positive and one negative wire (12vdc). Watch the fan blades for rotation and wiring polarity, the fan pulls thru the rad.

May 22, 2011 | 1993 Buick Century

2 Answers

Fan is not working at all. I've checked's fine. Does the motor need to be replaced?

Fan motors aren't uncommon to go out. Coolant temp sensors are also VERY common to go out.

DON'T do this until after you have let the car sit for 1/2 hour or so. Open the hood and try to turn each fan by hand. Does it sound bad? rough to turn?? motors are bad. If all seems fairly ok, then you can either................

Work the connecters of the fans on and off a bit. Do they look corroded??

Check fuse #16 on the dash fuseblock.

Check the fuseblock on the battery, specifically the 3rd jumper bar from the left (40amp, fan control module) CAREFULLY work the nuts to make sure corrosion isn't an issue,

Also check the 1st on the left of 3 blade fuses right there (30amp, fan)

On the lower pass? side of the rad there's a thermo sensor- unplug it. It's a 3 pin connecter. I think yours has the pins arranged in a triangle form.

3 2

these are your pin numbers. Make sure the fans are plugged in. on the connecter, not sensor, jump pins 1 & 2. Turn key on Both fans should run at low speed. Then jump pins 2 & 3. Turn key on, both fans should run at high speed. If no go, volt test from the red wire to ground- should be 12v.
Got power? Motors are bad.

No power?? fan control module may be bad. Its under the lower rad support.

.......or try to jump the fans , where the red wires connect are power, where the brown wire would connect is ground.

good luck....

Dec 14, 2009 | 2000 Volkswagen Jetta TDI

1 Answer

2005 kia spectra overheating what may cause it?

Yes, turn on your A/C your fans should come on. Check your fuses, and you can stright wire the fan, take 2 wires unplug it and run your new wires from each post on the battery to the wires at the fan. That will tell you if you have a good fan motor. If you think the fan motor is ok and good you will have to check the wiring to the fan and your water temp switch. 

Aug 04, 2009 | 2005 Kia Spectra

1 Answer

Fan won,t run on 2000 Ford Contour

fan motor may be bad. also could be a sensor. you can jump the fan motor off of the battery to see if it works.

Jan 06, 2009 | 2000 Ford Contour

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