my heater and my air condition has stopped working
200

Asked by gforce50 Aug 29, 2013 at 04:48 PM about the 2000 Mercury Grand Marquis LS

Question type: Maintenance & Repair

no air or heat blowing at all fan does not come on changed some fuses still no change

4 Answers
70

Courtney answered 10 years ago

Switch or fan motor. Check for power at the motor, if it's there it's not the switch.

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45

Alex answered 10 years ago

Check the resistor block it is located in the firewall on passenger side. Also could be blower motor. Also located on passenger side

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57,955

Tracy answered 10 years ago

Lately, I've seen a lot of faulty fan motors working yet drawing enough amperage to fry the switch and connector. The resistor block will cause the fan to blow on High only since it bypasses the block and supplies power directly to the motor from the switch.

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20

GuruB4BH1 answered 5 years ago

no .. all not for my 2002 grand marque i cannot get warm air with vent or any air on any setting is this the computer? what do i do there replace computer only ??

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