V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Fan switch/CTS/AC fan switch

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Old Jan 5, 2006 | 12:46 AM
  #1  
xplane's Avatar
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Joined: Sep 2004
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From: Kansas
Car: 85 camaro sport coupe
Engine: 2.8 MFI
Transmission: v6 700R4 wish it was a 5spd Stick
Axle/Gears: Stock non posi 3.42s
Fan switch/CTS/AC fan switch

Ok the CTS is under the front of the intake, the AC fan switch is on the AC lines on the Pass side of the car but where is the fan switch? If my AC switch is unpluged the fan runs from 2 or 3 seconds after engine start and not with just the Ignition which means the ECM is working but if i plug the AC switch in it wont turn on at all WTF?
PS the AC system is all removed but for the silver canister and the lines leading from it.

Last edited by xplane; Jan 5, 2006 at 01:20 AM.
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Old Jan 6, 2006 | 08:39 PM
  #2  
xplane's Avatar
Thread Starter
Senior Member
 
Joined: Sep 2004
Posts: 830
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From: Kansas
Car: 85 camaro sport coupe
Engine: 2.8 MFI
Transmission: v6 700R4 wish it was a 5spd Stick
Axle/Gears: Stock non posi 3.42s
Come on im just asking where they are and if there are none other than the ones i listed Please tell me. my fan has started making the squeek of death and i need to figure out how to get it to work properly so it only runs the 10% of the time that it needs to.
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Old Jan 7, 2006 | 05:19 PM
  #3  
BitchinRS's Avatar
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Joined: Jul 2001
Posts: 904
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From: Modesto, CA USA
The AC is running becuase the car thinks the AC is on. Jumper the connection for the AC switch. It should prevent it from kicking on.
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Old Jan 7, 2006 | 06:27 PM
  #4  
xplane's Avatar
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Senior Member
 
Joined: Sep 2004
Posts: 830
Likes: 0
From: Kansas
Car: 85 camaro sport coupe
Engine: 2.8 MFI
Transmission: v6 700R4 wish it was a 5spd Stick
Axle/Gears: Stock non posi 3.42s
the AC system is gone from the car but the condenser or what ever that silver thing is. but what has me confused is that when i plug the sensor back in the fan wont run at all if i plug it the sensor is the sensor giving a false reading cause the AC system is all discharged? i would think that the ECU could still tell when to turn on the fan cause it can still see the Temps.

Last edited by xplane; Jan 7, 2006 at 06:32 PM.
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