why wont my fan come on
60

Asked by samonedeann Jan 03, 2014 at 11:29 PM about the 2000 Mercury Grand Marquis LS

Question type: Maintenance & Repair

i replaced my ac blower resistor and my fan still will not come on so my heat and ac can
work

7 Answers
4,035

Anthony answered 10 years ago

Check the fuse. There may also be a relay for the blower.

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58,615

Tracy answered 10 years ago

Yes on both Tony - If the blower motor was also replaced then it's possible that the speed selector switch is burned (not uncommon). The resistor will only keep the fan from blowing on speeds other than High Speed. Often, the fan gets old, the resistor pack blows it's protective fuse, the driver uses the only speed left - high speed - and the worn out motor draws a lot of amperage through the switch and burns it out.

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6,685

J answered 10 years ago

might wanna take jumper wire to test the fan after checking fuses and relays...

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60

samonedeann answered 10 years ago

what could be the problem if when i straight wired it my fan came on

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6,685

J answered 10 years ago

sounds like relay or maybe your heat temp sensor?

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50

tomaspipo answered 8 years ago

my fan motor wont come on if i ground it it will dont know weres the relay but all the fuses are good 1991 marquis anyone can help

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