Gm Stage3 nitrous jumper install
#4
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Roel nailed it.
Heres the S3 Instructions from GM: http://www.crateenginedepot.com/pdfs/s3ins.pdf
Heres a pic of the J1-Blue connector:
And heres the J3 connector:
Heres the S3 Instructions from GM: http://www.crateenginedepot.com/pdfs/s3ins.pdf
Heres a pic of the J1-Blue connector:
And heres the J3 connector:
#6
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Ok need some help,i'm running the zex safe shot kit and it doesn't come with a relay for the solenoid.If you look at the diagram posted in the link above by pyros,you can see that it shows a relay in the diagram.Do you think there is a way around the relay?
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Last edited by Sizzle06; 07-11-2010 at 08:00 PM. Reason: Automerged Doublepost
#12
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J1-42 'Nitrous Fire Button (+12vdc in)
J3-16 'Nitrous solenoid Relay (-12vdc out)
Technically you should install the RED wire in J1-42 'Nitrous Fire Button (+12vdc in)
and the BLACK wire in the J3-16 'Nitrous solenoid Relay (-12vdc out) to match up the wire colors with power supply and ground.
But you get the idea.
Its a bitch. You basically have to take the harness apart.
J3-16 'Nitrous solenoid Relay (-12vdc out)
Technically you should install the RED wire in J1-42 'Nitrous Fire Button (+12vdc in)
and the BLACK wire in the J3-16 'Nitrous solenoid Relay (-12vdc out) to match up the wire colors with power supply and ground.
But you get the idea.
Its a bitch. You basically have to take the harness apart.
Last edited by ebristol; 08-11-2010 at 12:24 PM.
#16
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Ok i hooked everything up and now i got the engine power reduced,does anybody know if any of the pins next to the jumper wires have to do with the throttle position because i'm throwing the p2127.
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Last edited by Sizzle06; 07-16-2010 at 10:43 PM. Reason: Automerged Doublepost
#17
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C1 Pin 43 = Accelerator Pedal Position 5-Volt Reference (2)
https://www.cobaltss.net/resources/pcm/05cobalt20.htm
I assume you've checked the wires already, but this code sounds like a short in the circuit somewhere. Does it persist when you disconnect the nitrous jumper from Pin 42?
https://www.cobaltss.net/resources/pcm/05cobalt20.htm
I assume you've checked the wires already, but this code sounds like a short in the circuit somewhere. Does it persist when you disconnect the nitrous jumper from Pin 42?
#19
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Yep. I'm thinking 42 and 43 are tied together inside the PCM, essentially making them part of the same circuit (thats how GMS3 uses TPS for the nitrous window). If removing pin 42 and clearing the code fixes it, then there might be a short somewhere along the path from Pin 42 to the nitrous stuff.
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