Question about Ford Taurus

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I have a 1996 ford Taurus that the cooling fans run nonstop. I have to unhook the battery when parked. I need to locate the relay so I can fix it. I would also like to know if there is a free manual download for thi car.

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  • bjwinters6 Sep 06, 2009

    yes, thank you

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  • Ford Master
  • 2,200 Answers

Hi,

Firstly in my opinion it is likely to be a faulty temperature switch that is causing this problem. As far as I am aware there may be two one in the block and another in the radiator on the Taurus as this is a two speed fan.

If you go to www.myford.fordvehicles.com and sign up (it's free) you can enter your vehicles VIN number and find a lot of vehicle specific information there. There is no specific free manual download for the vehicle that I am aware of but there is a lot of info on that site once you are registered.

You can also download the complete wiring diagram for the Taurus from here
http://www.ebooksquad.com/2008/02/12/1998-ford-taurus-system-wiring-diagrams.html

This includes the cooling fan circuit and should help you to ID the temp switches and the relays in the circuit.

Hope this helps. Please do rate my answer. Many Thanks.

Posted on Sep 06, 2009

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Section 03-03: Engine Cooling 1999 Taurus, Sable Workshop Manual
DESCRIPTION AND OPERATION Electrical System NOTE: With A/C ON, the cooling fan motors will run continuously. Cooling fan motors will not cycle ON and OFF with A/C clutch (2884) .

NOTE: An exception to this is when vehicle speed is over 61 km/h (38 mph) and coolant temperature is below 100°C (212°F), and A/C head pressure is below 1.71 MPA (250 psi). The cooling fan motors will then automatically shut off.

The cooling fan motors are mounted within a fan shroud (8146) behind the radiator (8005) .

Engine Cooling Fan Control CCRM Applications The PCM monitors certain parameters (such as engine coolant temperature, vehicle speed, A/C on/off status, A/C pressure, etc) to determine engine cooling fan needs. The PCM controls the fan operation through the Fan Control (FC) output (single speed fan applications) or the Low Fan Control (LFC) and High Fan Control (HFC) outputs as shown in Table 2. Although the fan control (FC), low speed fan control and high speed fan control relays are normally open relays, the FC/LFC circuit is wired through a voltage inverter inside the CCRM. The voltage inverter ensures that the PCM must turn on (ground) the FC/LFC output to turn the fan off. This is done so the cooling fan will operate in the event of an open FC/LFC circuit.

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