GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Interceptor Scan Guage question.

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Old Oct 12, 2006 | 01:04 PM
  #11  
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Geez, that's not that bad. I think the back light just went out in mine. Hopefully I can get them to put in a shift light since they have to take it apart anyway.

With a 1bar MAP mine would only read 0.6psi, not 1.6psi...are you sure it's 1.6psi?
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Old Oct 12, 2006 | 10:04 PM
  #12  
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Originally Posted by vanillagorilla
Geez, that's not that bad. I think the back light just went out in mine. Hopefully I can get them to put in a shift light since they have to take it apart anyway.

With a 1bar MAP mine would only read 0.6psi, not 1.6psi...are you sure it's 1.6psi?
I am sure at first I seen 0.6 PSI, but then I put in my elevation inncorrectly at 1500 Meters higher than I actually am, and now it reads 1.6 PSI. Funny cause KOEO it read -0.5 PSI at first and then after the elevation change it was 0.1 PSI KOEO. Anyways, once I changed back to my proper elevation, I never re-checked what max boost read.
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Old Oct 12, 2006 | 10:08 PM
  #13  
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Originally Posted by kbracing96
Do you have a 2 bar MAP installed on the truck? If not, it won't read boost. You can add a 2 bar map just for the gauge and use one of the analog inputs to read it. It tells you how in the instruction on there website.
Yes I have 2 bar.
Aeroforce guy says this "Whomever programmed the PCM for the 2 bar MAP did not change the part of the code that transmits the MAP information on the bus. That would be the simplest solution." So apperantly I can get something changed and not have to wire my MAP into the analog input.
I did not read instructions recently and do not remember how to hook up to analog anyways. What wire would I need from my MAP. My truck uses stock wiring, just a different sensor. And then I can enter some info to change the voltage reading to PSI appernatly.
I dunno, first seems easier to me.
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Old Oct 15, 2006 | 10:36 PM
  #14  
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So does anyone have an idea how to do this without wiring it in to analog? My dyno guy must be busy, no email back yet...
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