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Thread: Flashscan to LM-2 Serial Cable

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  1. #1
    Lifetime Member TAQuickness's Avatar
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    Default Flashscan to LM-2 Serial Cable

    Edit: LM-2 cables are now available for sale

    LM-2 ----> V2 RJ-12
    Pin 1 -------> Pin 1
    Pin 2 -------> Pin 2
    Pin 3 or 4 ---> Pin 5
    __________________________________________________ _______________
    LM2 ----> V2 Serial Cable ----> V2 RJ-12
    Pin 1 -------> Pin 2 ------------> Pin 1
    Pin 2 -------> Pin 3 ------------> Pin 2
    Pin 3 or 4 ---> Pin 5 ------------> Pin 5


    Attached photo's:
    1. V2, LM-2, and my prototype serial cable
    2. LM-2 display indicating both WB channels are in E2 - No sensor
    3. V2 displaying LM-2 channel 1
    4. V2 displaying LM-2 channel 2
    5. TAQ Cable sLM2 cable
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by TAQuickness; August 28th, 2008 at 05:15 AM.


  2. #2
    Lifetime Member mr.prick's Avatar
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    Default

    are you making any for the LC-1?

  3. #3
    Lifetime Member TAQuickness's Avatar
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    Default

    I'm strongly considering it


  4. #4
    Lifetime Member Chuck CoW's Avatar
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    Default

    Quote Originally Posted by TAQuickness View Post
    LM-2 ----> V2 RJ-12
    Pin 1 -------> Pin 1
    Pin 2 -------> Pin 2
    Pin 3 or 4 ---> Pin 5
    __________________________________________________ _______________
    LM2 ----> V2 Serial Cable ----> V2 RJ-12
    Pin 1 -------> Pin 2 ------------> Pin 1
    Pin 2 -------> Pin 3 ------------> Pin 2
    Pin 3 or 4 ---> Pin 5 ------------> Pin 5


    Attached photo's:
    1. V2, LM-2, and my ghetto* serial cable
    2. LM-2 display indicating both WB channels are in E2 - No sensor
    3. V2 displaying LM-2 channel 1
    4. V2 displaying LM-2 channel 2

    *Supplies are on the way to make a handful of proper cables. 3 of which are spoken for. If you'd like one, please send me a PM.
    Hey, you got the wire colors instaead of pin #'s?

    Chuck CoW
    CoW BOOSTER! Electronic Throttle Enhancement.

    - CLICK HERE NOW FOR MORE INFORMATION! -

    VARARAM, EDELBROCK, AMERICAN RACING HEADERS, BAER BRAKES, BORLA, EFI Live, Magnuson,
    COMP Cams, PROCHARGER, PRO TORQUE, PHADT Racing, INNOVATORS WEST, and more.



  5. #5
    Lifetime Member TAQuickness's Avatar
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    no sir. My gheto cable oringinated as a 10 pin Molex from a car alarm. Are you trying to fab an LM2 to LC1?


  6. #6
    Lifetime Member Chuck CoW's Avatar
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    Default nope....

    Quote Originally Posted by TAQuickness View Post
    no sir. My gheto cable oringinated as a 10 pin Molex from a car alarm. Are you trying to fab an LM2 to LC1?
    Nope, LM2 to V2.....

    Chuck CoW
    CoW BOOSTER! Electronic Throttle Enhancement.

    - CLICK HERE NOW FOR MORE INFORMATION! -

    VARARAM, EDELBROCK, AMERICAN RACING HEADERS, BAER BRAKES, BORLA, EFI Live, Magnuson,
    COMP Cams, PROCHARGER, PRO TORQUE, PHADT Racing, INNOVATORS WEST, and more.



  7. #7
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    on the LM2 side, how can I identify pin no. 1, 2, and 3?

    http://i298.photobucket.com/albums/m...infuse/lm2.jpg
    Regards,

    Odd Boy

  8. #8
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by odd boy View Post
    on the LM2 side, how can I identify pin no. 1, 2, and 3?

    http://i298.photobucket.com/albums/m...infuse/lm2.jpg
    See page 45 of LM-2 user manual

    the pin positions on the Molex plug are numbered.
    Last edited by joecar; June 5th, 2014 at 12:26 PM.

  9. #9
    Junior Member
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    in page 45 they didn't point in a picture wich one is a RX and TX

    4. Serial Out

    Pin Use
    1 RX
    2 TX
    3 GND
    4 GND

    how do i know which one is RX and TX

    Click image for larger version. 

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  10. #10
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    As per the Molex datasheet;
    Pin 1 - Upper left
    Pin 2 - Upper right
    Pin 3 - Lower left
    Pin 4 - Lower right

    http://www.molex.com/pdm_docs/ps/PS-43045.pdf

    Click image for larger version. 

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