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Thread: Uber-easy DIY USB ALDL Cable

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  1. #1
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    Ah, so USB cable is permanently attached, and both cables are sandwiched by the lid in cut outs, now it makes sense. Thank you

  2. #2
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    more or less. 4 screws and one could swap out the cable with another should it become damaged.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  3. #3
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    6-pin USB-serial.JPG

    You guys should know that you don't really have to fool with putting an adapter into a box or fitting the connectors to it. This FT232RL-based one in the photo is available for about $8-9 shipped. All you have to do is cut off the small 6-pin connector and the wires leaving only the white, green and black ones. Then splice them to your 12-pin/16-pin connector or pigtail. The 12-pin pigtail can be easily gotten for about $5-6 in the form of a 12-pin to 16-pin adapter (cut off the 16-pin one and throw it away). Splice the white and green to the brown (pin M) wire and splice the black ones together. Tape it up or use shrink tubing and you are done. This adapter has a translucent case so you can see the red and green lights (TX and RX).

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    i don't like the versions that have all of the circuit right at the USB connector.... my aldlcables.com version was like that, only lasted between 12 and 18 months before it completely failed. something up there failed and obviously couldn't be repaired and not look like a total hackjob.

    the enclosure also allows for a nice place to mount the switch for the 10K resistor and relieves strain on the solder joints.
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  5. #5
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    Sorry, I'm only an EE with 45 years experience with this kind of stuff. Won't bother you again.

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    i never said you were wrong, just that i have my preferences.
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  7. #7
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    Quote Originally Posted by GaryDoug View Post
    Sorry, I'm only an EE with 45 years experience with this kind of stuff. Won't bother you again.
    You have to understand we discuss and bounce ideas and use everyone's expertise. One thing we never do is offend anyone. So you took this wrong.

    We also don't allow bad attitudes. So lose it or just don't come back.

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  8. #8
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    Hey i know this is an old thread but id like to fit an ob2 male connector to a ftdi 6 pin ft232rl usb cable the pins on my car are this pin 5 is ground pin 9 is braud ? And pin 16 is 12v australian gmh holden vy commodore they run the aldl system but with a ob2 connector plug what can i expect from doing this any help on what i need to do to diy my own cable what could i expect a cable like this to do any help Cheers
    Last edited by old8s; 09-17-2016 at 06:23 AM. Reason: Forgot to quote an old thread

  9. #9
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    Pins 4 & 5 are ground. Pin 9 is data. No 10K resistor is needed. Yes pin 16 is 12v if needed.

    You will only be able to scan your VY Commodore. Use TunerPro RT and the .adx definition for the VY Commodore.

  10. #10
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    Quote Originally Posted by phonedawgz View Post
    Pins 4 & 5 are ground. Pin 9 is data. No 10K resistor is needed. Yes pin 16 is 12v if needed.

    You will only be able to scan your VY Commodore. Use TunerPro RT and the .adx definition for the VY Commodore.
    The cable wires are 5v rx tx ground rt ct so i join grond to ether 4 or 5 pin do i put both rx and tx pin 9 or am i way off

  11. #11
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    you have it.
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  12. #12
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    Quote Originally Posted by old8s View Post
    Hey i know this is an old thread but id like to fit an ob2 male connector to a ftdi 6 pin ft232rl usb cable the pins on my car are this pin 5 is ground pin 9 is braud ? And pin 16 is 12v australian gmh holden vy commodore they run the aldl system but with a ob2 connector plug what can i expect from doing this any help on what i need to do to diy my own cable what could i expect a cable like this to do any help Cheers
    Dude.

    No offense, but.. breathe. Calm down, and punctuate. I can barely make head or tail out of this.
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  13. #13
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    [QUOTE=89S10_Project;61942]Dude.

    No offense, but.. breathe. Calm down, and punctuate.e
    Last edited by old8s; 10-30-2016 at 10:42 AM.

  14. #14
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    [QUOTE=old8s;61962]OK. I see there's an app for your anbroid phone and it will run tunerpro aldldroid . I would like to use the bluetooth fl232rl module but no one has done this

  15. #15
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    http://www.ebay.com.au/itm/FTDI-FT232RL-USB-to-TTL-Serial-Converter-Adapter-5V-and-3-3V-For-Arduino-GO-/371474451179?hash=item567d9a4aeb:g:tdkAAOSw5VFWMM3 1 i also have http://www.ebay.com.au/itm/FTDI-FT232RL-USB-to-Adapter-Module-USB-TO-TTL-RS232-Arduino-6Pin-Cable-/191732706593?hash=item2ca428ed21:g:bM4AAOSwo0JWPH4 b plus this vy commodore any ideas

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