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Thread: Uber-easy DIY USB ALDL Cable

  1. #91
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    hardware not found message is normal, that's referring to the autoprom, BURN1/2 and ostrich.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  2. #92
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    O ok how can i program my ecm i have windows 8 but i download winflash but cant find The program in the C.A.T.S folder just says unstall winflash No appacation

  3. #93
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    wouldn't know, i don't deal with anything CATS related.... someone else will have to answer that.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  4. #94
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    Lol do u know any other programs i can use to flash a 95 lt1

  5. #95
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    i use the Madtuner stuff for the 93-95 flash V6 PCMs, but it's also capable of dealing with the 94-95 LT1 PCM as well, just not sure if you can get that functionality seperately.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  6. #96
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    So i can use madtuner on mine

  7. #97
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    yes, though you may need to purchase the capability to use it with the V6 application as well, i don't remember if it's sold seperately.

    i always had issues with the CATS software on anything newer than WinXP, so i didn't bother with it for too long.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  8. #98
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    Is there any other program for free or trail i only need it once so i dont wanba pay

  9. #99
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    Right click on the TunerCat Winflash icon and choose compatibility mode, look towards bottom for Change for all users and click, use windows XP service pack 3, OK, exit and give it a try. Have cable plugged in and open Winflash and choose setup, comm port and should be there. If so you should be OK...

    If not...

    Uninstall TunerCat WinFlash and before you install right click, compatibilty mode and Windows XP service pack 3. After install you may have to do the same for the WinFlash Icon again.

    You have to pay the $20 for registration or it won't work...

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
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  10. #100
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    thx you i for got about running it in xp mode. it works.

  11. #101
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    how can i get this chip to read data for tuning

  12. #102
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    what all have you done so far?
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  13. #103
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    Laptop and cable with TunerPro and the ADX file. Start engine and record data, save when done. Now since your LT1 is a conversion the ADX file may not connect, it may need some things taken out. Give it a shot, start a thread and I'll help you adjust the ADX if it needs it.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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  14. #104
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    Quote Originally Posted by RobertISaar View Post
    with the one i posted:

    connect the RXD and TXD pins together(solder would be my method), then connect that circuit to the ALDL pin M, then connect the ground pin on the converter to the ground pin in the ALDL connector (pin A).

    it's that simple.
    Just to confirm the unbelievable simplicity to making this aldl cable, Hopefully a small image with red circles will help anyone else with the same question!
    aldlcircuit.jpg
    Solder the Rxd and Txd together, solder single wire from that to communication pin on Diagnostic plug.
    Then solder wire from Gnd to ground pin on plug.
    And obviously keep the bridge over VCC and 5V or solder together if intending to keep it like that.
    That about cover it for 8192 baud communication?

    Still cant believe aldl cable can be made for ~$20!. Paid $80 for my last one!

  15. #105
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    yeah, unless you need the 10K resistor for the applications that need them. in which case, you will need to be able to switch that circuit through the resistor to ground and off again.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


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