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Minotaur Automotive Tuning Software
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  #1  
Old Fri, October 2nd, 2009, 09:03 AM
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Originally Posted by theSLEEPER View Post
Sorry to be a pain. But which color is to the PCM? And just for my own mental library, what do the other two wires go to?

Blue/Red (or Green) out of ICP sensor to PCM. (Sensor Return)

Brown 5V Reference (VREF)

Gray/Red Sensor Ground (Signal Return)


Just for shiggles, there is another ICP Mod that uses a resistor in parallel with the ICP sensor that went between the blue wire and the gray wire. However, the LOWER the resistance in that setup, the HIGHER the ICP would actually be.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
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Old Fri, October 2nd, 2009, 03:08 PM
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Quote:
Originally Posted by cleatus12r View Post
Just for shiggles, there is another ICP Mod that uses a resistor in parallel with the ICP sensor that went between the blue wire and the gray wire. However, the LOWER the resistance in that setup, the HIGHER the ICP would actually be.
That's the one I use to run. The one that was in between the two wires on the ICP sensor.
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Old Mon, March 1st, 2010, 12:31 PM
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Ummm... I think I cut the wrong wire... I wired into a greyish-yellow w/ red stripe.........

So... I need to mend that wire and go to the blue/red(or green) wire? I was wondering what was going on... Seemed to me like I was turning the ICP DOWN... The truck would start getting really quiet, and at idle, it would "chug" or just die... Would this be an effective way to LOWER the icp from what is being called for? Seemed like a good option for a drive through tune... If I had the pot just right, and hit the switch, the motor would get really quiet , but not die...
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Old Mon, March 1st, 2010, 12:54 PM
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Hmmm......







Looks like you need to tap into the wire with the Dark Blue with Light Green tracer.
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Old Mon, March 1st, 2010, 04:12 PM
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I'd really like to figure out if I'm actually reducing my ICP. Because that would be cool too!
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Old Tue, March 2nd, 2010, 12:58 AM
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Without a mechanical gauge on it there would be no way to know for sure. They way you describe it it sounds like you are dropping ICP, that is kinda cool, poor mans wisper mode.
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Old Tue, March 2nd, 2010, 12:57 PM
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Does Cody come here much anymore?
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Old Wed, March 3rd, 2010, 01:57 AM
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Yeah, he is usually answering my seemingly endless questions.
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