Northstar engine for racer-need help with wiring
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Cadillac Powertrain Control Module (PCM) Tuning Discussion, Northstar engine for racer-need help with wiring in Cadillac Engine Technical Discussion; I'm trying wire in a Northstar engine I took out of a wrecked 99 STS. I'm using the transaxle and ...
  1. #1
    PPR
    PPR is offline Cadillac Owners Member
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    Northstar engine for racer-need help with wiring

    I'm trying wire in a Northstar engine I took out of a wrecked 99 STS. I'm using the transaxle and all. I think I'm having an issue with the anti theft signal to the PCM. I'm pretty sure I've satisfied the PCM and trans with all other power and ground signals. It turns over fine and I have voltage at most of my sensors etc, but I have no spark or injector signal from the PCM.

    I've done a fair amount of research regarding the VATS/Passkey III, but I've come up empty handed.

    I also know you can buy after market PCM's to solve this( which I intend to do in the future) but I'm trying to avoid spending to much $$ right now.

    Thanks for any info you might be willing to share.

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  3. #2
    PPR
    PPR is offline Cadillac Owners Member
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    Re: Northstar engine for racer-need help with wiring

    Got it figured out.

  4. #3
    PPR
    PPR is offline Cadillac Owners Member
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    Re: Northstar engine for racer-need help with wiring

    I got a PM from someone but I dont have enough posts logged to reply, but I am interested. Give me your contact info and I'll be in touch.

  5. #4
    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
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    Re: Northstar engine for racer-need help with wiring

    I may have, but not sure. I some nice Northstar information

  6. #5
    PPR
    PPR is offline Cadillac Owners Member
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    Re: Northstar engine for racer-need help with wiring

    I'd like to hear about it. I'm running a completely stock 99 Northstar engine with transaxle and I'm interested in any advice you might have for me. PM me your e-mail address and I'll get in touch with you

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