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Thread: I made a cable for BB Logging

  1. #61
    Junior Member jomobco's Avatar
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    Quote Originally Posted by Blacky View Post
    Maybe this diagram will help:
    http://forum.efilive.com/showthread....1088#post71088

    Regards
    Paul
    I think somethings off in the diagram above. I kept getting that the controller wasn't found. I then went with the RJ12 to 2.5mm diagram posted previously and that worked. Success!

    I should temper that. I'm getting free air numbers, not AFR numbers. It goes from 1-3% then jumps to 20.9% momentarily and then back to 1-3%. What is going on?
    Last edited by jomobco; May 21st, 2008 at 06:27 AM.

  2. #62
    EFILive Developer Site Admin Blacky's Avatar
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    Quote Originally Posted by jomobco View Post
    I think somethings off in the diagram above. I kept getting that the controller wasn't found. I then went with the RJ12 to 2.5mm diagram posted previously and that worked. Success!

    I should temper that. I'm getting free air numbers, not AFR numbers. It goes from 1-3% then jumps to 20.9% momentarily and then back to 1-3%. What is going on?
    If you're getting anything other than "Controller Not Found" then the data connection is probably ok.
    Does the analog output from the LC-1 work ok? Does it display the expected AFR?

    Regards
    Paul
    Before asking for help, please read this.

  3. #63
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    Paul, thanks for the FS to LC1 serial thread, really helped me understand exactly what needs to be done. Hopefully Ill be able to buy an LC1 here soon, gotta get a GPS first though.
    ~Erik~
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  4. #64
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    Quote Originally Posted by Blacky View Post
    If you're getting anything other than "Controller Not Found" then the data connection is probably ok.
    Does the analog output from the LC-1 work ok? Does it display the expected AFR?

    Regards
    Paul
    Does anybody have a diagram on how to wire the mini-din 8 pin connector(LM1 serial connection port) to theRJ12 plug on FS? Cannot get data transfer with null-modem adapter and FS cable.
    08 Z06

  5. #65
    Senior Member VortechC5's Avatar
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    Curious how the data transfer issue manifests itself. I was planning on trying to get my LM2 working this weekend.

    When I ordered my null modem gender bender I also ordered the stuff to make a RJ12/DIN cable so I am curious about that diagram too. If nobody has one I will just use my continuity meter and figure it out.

    Quote Originally Posted by 02Z06 View Post
    Does anybody have a diagram on how to wire the mini-din 8 pin connector(LM1 serial connection port) to theRJ12 plug on FS? Cannot get data transfer with null-modem adapter and FS cable.
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  6. #66
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    Quote Originally Posted by VortechC5 View Post
    Curious how the data transfer issue manifests itself. I was planning on trying to get my LM2 working this weekend.

    When I ordered my null modem gender bender I also ordered the stuff to make a RJ12/DIN cable so I am curious about that diagram too. If nobody has one I will just use my continuity meter and figure it out.
    Hi Vortech C5, I just tried to check continuity with my meter between the LM1 cable-null modem adapter and mini-din 8 pin connector. With the 8-pin connector the pins are close together and I could not ring it out with the meter and my probes.
    08 Z06

  7. #67
    Senior Member VortechC5's Avatar
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    Hmm, I hadn't thought of that. Maybe I'll see if I can scrounge up a F/F mini din at work that I can borrow. If I can find one I could then use a pin (or piece of wire) in each of the female DIN sockets to tone it out.

    Quote Originally Posted by 02Z06 View Post
    Hi Vortech C5, I just tried to check continuity with my meter between the LM1 cable-null modem adapter and mini-din 8 pin connector. With the 8-pin connector the pins are close together and I could not ring it out with the meter and my probes.
    02 C5 Coupe - LS7, TSP 265 LS7 heads, ARH, Z06 cat-back, HREs, 3.73 gears, Wilwood brakes, DeWitts radiator

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  8. #68
    Junior Member jomobco's Avatar
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    Quote Originally Posted by 02Z06 View Post
    Does anybody have a diagram on how to wire the mini-din 8 pin connector(LM1 serial connection port) to theRJ12 plug on FS? Cannot get data transfer with null-modem adapter and FS cable.
    I couldn't get the null modem to work either. I think the second diagram below has the RJ12 wire numbering out of place. I used this image posted by blacky here:
    http://forum.efilive.com/attachment....4&d=1205983775
    and used a DB9male to RJ12 connector like this http://sewelldirect.com/DB9-Male-Ser...ar-Adapter.asp . I then used some information from this diagram posted by blacky here:
    http://forum.efilive.com/attachment....3&d=1211350225
    to get the LC-1 Jack to 9 pin female information. I then went from the female to the DB9 male and wired so that circuits matched first diagram. I finally got a reading although it's goofy and I haven't had a chance to compare with analog yet.
    Last edited by jomobco; May 21st, 2008 at 01:45 PM.

  9. #69
    EFILive Developer Site Admin Blacky's Avatar
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    LM-1 serial cable pinouts.
    Regards
    Paul
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Before asking for help, please read this.

  10. #70
    Lifetime Member 06redram's Avatar
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    I can't find a reseller that make 90 degree cables for V2

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