Question about 1999 Mercury Cougar

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99 cougar blower motor problems

99 cougar blower motor problem (not blowing at any speed) have ran a jumper from battery to the blower and it spins. Have tried a different resistor but still doesn't operate. What might the problem still be? All fuses are ok. Our stereo has quit working as well but sometimes plays as car is started. Could both of these problems come from a bad accessory relay or ignition switch problem? Thanks

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  • Richard Scordino May 11, 2010

    sounds like a relay, and if it's an aftermarket radio, some brain-sturgeon may have tied power to the heater.

  • yadayada
    yadayada May 11, 2010

    does this car have automatic climate control?

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  • Mercury Master
  • 7,782 Answers

Use the diagram at the link below. First check fuses 23 and 37. If good, pull out the blower relay and probe the relay socket with a voltmeter or test light. Turn the key on and turn the blower switch to high. There should be two hot terminals in the relay socket. If good, move your red lead to battery positive and probe the other two terminals. One should be solid ground and the other should show a few volts. If all good, push the relay back in to see if it clicks. If it clicks, move to the blower motor connector. Put your black lead to chassis lead to ground and probe the terminal with the purple wire. It should be hot. If yes, the problem is at the switch. Verify that yhe switch is getting ground on the black wire at the control head connector.
If you can run these tests, you will find the problem. Let me know if you get stuck.



http://www.revbase.com/BBBMotor/Wd/DownloadPdf?id=16596

Posted on Aug 11, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 611 Answers

SOURCE: blower or resistor on 99 malibu?

the resistor gmpartsdirect.com usualy has good diagrams or go to the libruary n get a service book

Posted on Jun 14, 2008

  • 2039 Answers

SOURCE: 2003 Chevy Malibou RU872 resistor location blower switch relay

resistor is under dash passager side 7/32 socket thanks pierre

Posted on Oct 19, 2008

chuck943
  • 783 Answers

SOURCE: Location of blower motor switch resistor on 2004 Grand Marquis

The blower speed controller is located under the hood on the right or passenger side on the heater housing just to the side of the heater hoses near the very back of the right cylinder head.
Yes that would cause the concern you are having.

Posted on Feb 05, 2009

csmock132
  • 4669 Answers

SOURCE: 99 Olds Intrigue, blower fan resistor

It will burn out. Air flow in the heater box cools the resistor. These resistors get very hot when the blower is running.

Posted on Mar 07, 2009

  • 1043 Answers

SOURCE: Where do you find Diagram on 1999 Mercury Cougar

http://www.autozone.com/addVehicleId,2523402/initialAction,repairGuide/shopping/repairGuide.htm?pageId=0900c152800a8c49
Try this web site. I was able to find what you are looking for. Just fill in your info for your vehicle.

Good Luck

Posted on Mar 13, 2009

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