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which TPS wire do i tap into for nitrous?

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Old Mar 4, 2005 | 03:41 PM
  #1  
TraviZ's Avatar
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
which TPS wire do i tap into for nitrous?

theirs the black white and blue wire from the TPS, which one do i need to "T" into to make the zex nitrous box function at WOT. i tested with a volt meter and got the changing voltage on the black wire, but when its hooked up, the nitrous doesnt work at WOT. so it must be a blue or white wire, i figured black was gruond anyways,
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Old Mar 4, 2005 | 09:48 PM
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From: Stillwater, OK
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4
Use the Dark Blue
Black is the ground
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Old Mar 4, 2005 | 11:02 PM
  #3  
91GTABird's Avatar
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From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
Your will get voltage on the black b/c yiour have to ground the 5v to creat a complete circuit.

Blue to black. WOT=4.5v+
Black to blue. WOT=4.5-

And i think the white is the varying voltage signal back to the ecm.
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Old Mar 4, 2005 | 11:15 PM
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From: Stillwater, OK
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4
The ECM supplies a 5 volt reference voltage at the grey wire.
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