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Thread: Looking for 2004 OS that can swap into 2005

  1. #1
    Potential Tuner
    Join Date
    Dec 2019
    Posts
    2

    Looking for 2004 OS that can swap into 2005

    I come looking for help. I have a P59 with 12592318 OS. I am looking for an OS from an earlier year that I can swap to. I am putting this P59 into a 2003 Silverado. If I run it as is, I can't get the battery light to go off. The alternator is charging, but the light is on, because I believe 2005 has the updated charging circuitry. I made the changes in the System tab to match that of a 2003, but the issue persists. Any help will be appreciated. Trying to do this without having to purchase any additional license. I feel like there has to be a way. perhaps swap to some rare 2005 OS, which will allow the swap to a 2004 OS. I have spent hours looking and trying combinations.

  2. #2
    Advanced Tuner
    Join Date
    Dec 2011
    Location
    San Antonio, TX
    Posts
    319
    Contact me via PM or email ([email protected]) as I believe I have an option for you with some tools outside of HPT i have access to.
    JTC Performance - Authorized HP Tuners Reseller
    Remote performance tuning

  3. #3
    Potential Tuner
    Join Date
    Dec 2019
    Posts
    2
    Email sent