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need to know ASAP if this ALDL cable will work

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  • need to know ASAP if this ALDL cable will work

    will the second shematic show on this page:


    work, as is, for GM OBD I vehicles? I'm just concerned because it says "with espirit modifications"

    it is the schematic labeled "ALDL to PC Interface Cable" (under the heading: "Advanced Interface with Esprit Modifications")

    thanks!
    1991 Grand Prix GTP LX9swap/Getrag 284 --- SOLD =(
    1994 Corvette
    LT1/ZF6
    2006 Dodge Dakota 4x4
    3.7/42RLE

  • #2
    Yes, it will work. I have built one before, even have an extra MAX chip around here somewhere. But, take this quote from Andy's site into consideration:
    "Expect to pay in the region of $70 - $100 for a fully assembled unit."

    Which is just about right after all is said and done.

    When you can purchase a fully assembled cable for around $50 shipped that uses the exact same circuit with a few improvements, one would have to consider if its even worth the time and trouble to DIY, as in some cases the result may resemble something more like a radio shack heathkit project gone horribly awry.
    88 Fiero Formula 5-spd
    Turbocharged / Intercooled 99\' 3100 VIN M

    GMPCM - Engine Management System Tuning Software

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    • #3
      Originally posted by Mechanic
      Yes, it will work. I have built one before, even have an extra MAX chip around here somewhere. But, take this quote from Andy's site into consideration:
      "Expect to pay in the region of $70 - $100 for a fully assembled unit."

      Which is just about right after all is said and done.

      When you can purchase a fully assembled cable for around $50 shipped that uses the exact same circuit with a few improvements, one would have to consider if its even worth the time and trouble to DIY, as in some cases the result may resemble something more like a radio shack heathkit project gone horribly awry.
      thanks for the speedy response. The reason I tacked on the "ASAP" to the title was because my father has offered to have it built at work and the sooner I get him the schematics the sooner he can have it done (I'm only home for a week for Thanksgiving break and I'd like to use this interface to find whats wrong with my 3.1). He is an electrical engineer so I'm sure building a clean functioning unit wont be a problem. Again thanks a bunch for the quick response!
      1991 Grand Prix GTP LX9swap/Getrag 284 --- SOLD =(
      1994 Corvette
      LT1/ZF6
      2006 Dodge Dakota 4x4
      3.7/42RLE

      Comment


      • #4
        did you get the cable to work with your 3.1? I've got a 91 firebird 3.1 that I'd like to get some datalogging done on.

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        • #5
          What program works with a 3.1 firebird?
          Ben
          60DegreeV6.com
          WOT-Tech.com

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          • #6
            Originally posted by mmcdjs
            did you get the cable to work with your 3.1? I've got a 91 firebird 3.1 that I'd like to get some datalogging done on.
            It works with my dohc (91) but not my 3.1 (90). Ive been told I need at least a 91 chip in it for freescan to work
            1991 Grand Prix GTP LX9swap/Getrag 284 --- SOLD =(
            1994 Corvette
            LT1/ZF6
            2006 Dodge Dakota 4x4
            3.7/42RLE

            Comment


            • #7
              scanning

              I don't know, but I'm going to try Freescan. I have the 3.1L 730 ECU.

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              • #8
                you wouldn't happen to be near Virginia Beach VA? I'm just now getting ready to get a cable for my OBD I to laptop interface.

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                • #9
                  Originally posted by mmcdjs
                  you wouldn't happen to be near Virginia Beach VA? I'm just now getting ready to get a cable for my OBD I to laptop interface.
                  no, sorry I'm in CT. It may work, I couldnt say. Freescan read data on my 3.1 using the Lotus Espirit option, granted it was some whacky incorrect data, voltage showed up ok tho.
                  1991 Grand Prix GTP LX9swap/Getrag 284 --- SOLD =(
                  1994 Corvette
                  LT1/ZF6
                  2006 Dodge Dakota 4x4
                  3.7/42RLE

                  Comment


                  • #10
                    man. I am looking to read my BLM's and AFR's

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                    • #11
                      The 2 transistor one on that page works but it is a bit finicky at times.

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