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How to disable A/C pressure switch signal

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Old Nov 12, 2004 | 03:29 PM
  #1  
DANIELEK's Avatar
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Joined: Dec 2000
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From: Alberta
Car: Red Rooster
Engine: 305 TPI
Transmission: M5
How to disable A/C pressure switch signal

I have recently removed bunch or wires after getting rid of my A/C and my fan keeps staying onw ay below fan on temps..

I read it somewhere that it has something to do with the pressure switch being open and computer thinks the a/c is on.

How do i disable that switch in the prom?

If i knew where the A/C pressure switch is i would do it that way..

Thanks..
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Old Nov 13, 2004 | 06:33 PM
  #2  
91L98Z28's Avatar
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20 Year Member
 
Joined: Jan 2002
Posts: 1,162
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From: California
Car: Z28
Engine: L98
Transmission: T56
i am 1000% more familiar with $8D / '730, so my answer to your question MAY not be right...but I have done one or two burns to help a friend out with a '165 $32b setup..

anyways, in tunercat in the constant table, there is a switch for "normally open fan request input". maybe flipping this would keep the fan off without anything hooked up to that input.
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