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Thread: LS1 Transplant

  1. 04-25-2008, 12:33 PM #1
    Beachrat
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    LS1 Transplant

    I have just put an LS1 into a nissan patrol.All the wiring is done. We will not be running a BCM.I am having trouble with communication. HP Tuner will not talk to the ECU. All wiring appears to be correct and we assume that it is because it is looking for a BCM. Can we fool it to believe that a BCM is present until we can cut it out? Or should we be going about this differently.
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  2. 04-25-2008, 01:13 PM #2
    Frost
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    LS1.com Sponsor
    GM Tuner

    Check out the ODBII power for power and proper wiring; HPT doesn't care whether there is a BCM or not.
    Steve Williams
    LED Shift lights for only $55 !!!
    Mail Order Tuning for bolt-ons is just $150 + S/H. PM or contact me for details
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  3. 04-25-2008, 01:19 PM #3
    Beachrat
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    Quote Originally Posted by Frost View Post
    Check out the ODBII power for power and proper wiring; HPT doesn't care whether there is a BCM or not.
    You are probably right. I just connected GM TEch II, it powers up but will not talk either.
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  4. 04-25-2008, 08:28 PM #4
    Frost
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    You probably already have this, but... this is what you need to talk to the PCM.
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  5. 04-25-2008, 11:55 PM #5
    Beachrat
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    Thanx guys. have rechecked my wiring and it all appears in order.May need to look deeper.
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  6. 04-27-2008, 07:40 PM #6
    Beachrat
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    problem resolved. It appears that i had a dodgy earth. All good now. Thanks
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