Electric fan help

SMOKEDYA · Jul 17, 2011

So i get a fan out of a mark VIII. I have blue black and black wires comming out of it.I hooked the blue and one black one up and it started smoking.So i hook up the 2 black ones and the fan is PUSHING threw the radiator,if i switch them it turns slower and then blows the fuse.Are these fans pushers and not pullers?Why would it not work and start smoking when i hooked uo the one blue and one of the black ones?peace

john

Beasty306GT · Jul 17, 2011

Blue is high speed and black is ground

SMOKEDYA · Jul 17, 2011

So it has 2 grounds?I hooked it up to a battery to test it before i installed it.Blue to + and black to - it did nothing,thenswapped the 2 and it started smoking. I hooked up the blacks to +and- and it worked fine,then i swapped the 2 blacks and it still worked fine.But when i hook it up in my car with the blacks only it spins like a mad man pushing the air,and then i reverse the 2 black wires and it spins slow then blows the fuse.peace

john

Beasty306GT · Jul 17, 2011

One of the blacks is low speed...should have a stripe on it ground is plain black

SMOKEDYA · Jul 17, 2011

Ok so blue+black=high speed. black+black=low speed.I will go check it later or tomorrow.So are these designed to push air,or pull air?And i can say with the 2 blacks hooked up this sucker hauls ass!So if your correct and its on low speed now?I would hte to see how fast is hi speed!!!! peace

john

steelie4u · Jul 17, 2011

they pull air from front of radiator

SMOKEDYA · Jul 17, 2011

steelie4u said:
they pull air from front of radiator

Mine almost feels like its PUSHING not pulling! peace

john

HISSIN50 · Jul 17, 2011

Are you sure your polarity is correct?

SMOKEDYA · Jul 17, 2011

HISSIN50 said:
Are you sure your polarity is correct?

From the way it looks,i have to have it the correct way?Like i said above,if i swap the 2 black wires i have hooked up now it blows my fuse within 20 sec.I'm ONLY using the black wires NOT the blue and 1 of the blacks.peace

john

HISSIN50 · Jul 17, 2011

If the fan motor spins backwards, the polarity almost has to be reversed. Now the fan motor might be seizing or have other issues (the reason for blowing the fuse). You're using slow-burn fuses of the correct rating?

SMOKEDYA · Jul 18, 2011

It was blowing 30AMP fuse's.I went out and rewired it.I hooked it up so now it SUCKS instead of BLOWS....peace

john

HISSIN50 · Jul 18, 2011

So what was the solution? Was the polarity reversed? Why was it blowing the fuse? A 30 amp fuse is of a very low rating for a Mark VIII fan's considerable start-up draw.

SMOKEDYA · Jul 18, 2011

HISSIN50 said:
So what was the solution? Was the polarity reversed? Why was it blowing the fuse? A 30 amp fuse is of a very low rating for a Mark VIII fan's considerable start-up draw.

All i did was hook the blue and black up and all is good!! peace

john

Electric fan help

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