single fan ,not working
Thread Starter
Senior Member
Joined: Feb 2006
Posts: 682
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From: newcomerstown,o
Car: 91 formula
Engine: 350 tpi
Transmission: auto
Axle/Gears: poss
single fan ,not working
i put new relay and fan switch on car and it ain't turning on. if i jump the relay it turns right on.but wont come on by itself.i even put a brand new ecm in this car.
Joined: Aug 2006
Posts: 12,805
Likes: 107
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: single fan ,not working
have you checked to see of the fan switch is working properly? ig you ground the switch does the fan turn on?
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Joined: Jul 2003
Posts: 1,236
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From: KY
Car: 87IROC, 740iBMW, 328iBMW, 86GMC
Engine: 5.7, 4.4LV8, 2.8, 6.0
Transmission: Manuals & Auto's
Axle/Gears: 3.27, 3.42
Thread Starter
Senior Member
Joined: Feb 2006
Posts: 682
Likes: 0
From: newcomerstown,o
Car: 91 formula
Engine: 350 tpi
Transmission: auto
Axle/Gears: poss
Re: single fan ,not working
well grounded wire for fan switch, turned on fine.the sensor (brand new)came w/ some sort of factory red sealant on it could that be the prob?
Last edited by bbsr72; Sep 28, 2007 at 04:11 PM.
Joined: Aug 2006
Posts: 12,805
Likes: 107
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: single fan ,not working
the red stuff is pipe dope or telfon lube, not problem there. I know that my old stock fan switch didnt turn on until almost 240 degrees, which is way too high to be worth a damn. A good, lower temp hypertech or jet fan switch will work much better.
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