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Thread: OEM GPS mod. Writeup + Pics

  1. #61
    FLAC aoLhaTer's Avatar
    Join Date
    Mar 2003
    Location
    Rohnert Park, CA
    Posts
    1,122
    Heres my crazy wiring setup

    Used two connectors off a 4 pin internal sound cable and then a connector off an internal usb cable

    Testing it out right now, weeee

  2. #62
    Low Bitrate
    Join Date
    Feb 2005
    Posts
    98
    how are your guys reception? the max i got in open road is 10, never more than that. I guess my antenna big, expensive and crap.

  3. #63
    Variable Bitrate rgardjr's Avatar
    Join Date
    Oct 2003
    Posts
    374

    I installed one last week and I'm very impressed ....

    After bending a pin on my Earthmate cable it became very unreliable so I bit the bullet and bought the OEM 15L-W from MegaGPS.com plus this antenna from Ebay:
    http://cm.ebay.com/cm/ck/1065-29392-...tem=5810468863
    Total spent including shipping:
    OEM $88.72
    Antenna $24.98
    Total $113.70
    Installation went very well other than the minor hassle of xp detecting it as a serial mouse, but thanks to earlier posts I was able to fix that quickly. I used a serial header cable and an extra audio cable tha I had laying around to wire up the OEM. The soldering the wires was very easy. I used some double sided foam sticky tape to stick the OEM to the side of my unoccupied PCI slot on my Epia M10K. I have a truck so I routed the antenna through the third brake light-I've seen this done alot with XM/Sirius installs. Very easy installation all the way around. The GPS module performs so much better than my Earthmate. I'm getting a constant 9 satellite lock. With the Earthmate I don't remember getting more than 6. I would absolutely reccomend this for anyone looking for a GPS module for their install. I'll take some pictures when I have the camera out again.
    Rick
    '03 Sierra Denali

  4. #64
    FLAC IntellaWorks's Avatar
    Join Date
    Jun 2004
    Location
    NH
    Posts
    1,173

    Response.

    Thanks to all that have contributed information. I agree with Rick, this setup is recommended and again much more stable.
    Progress [I will seriously never be done!]
    Via EPIA MII
    512MB RAM
    OEM GPS (embedded)
    nLite WinXP pro on
    1GB Extreme III CF card
    Carnetix 1260 startup/ DC-DC regulator
    Software: Still, re-Writing my existing front end in .Net

  5. #65
    Variable Bitrate
    Join Date
    Apr 2004
    Posts
    343
    i was searching around for some cheap oem gps modules, and i was wondering if anyone had any ideas on this Ebay gps module.

    http://cgi.ebay.com/3-OEM-NMEA-GPS-M...QQcmdZViewItem
    Carputer HIFI car stereo project!
    [XXXXXXXXXXXXXXXXXXXXX-]
    95% COMPLETE! FINALIZING SOFTWARE PLATFORM!

    [XXXXXX--------------]
    30% COMPLETE! CAPUTER Version 2.0! Hardware FAILING! CARPUTER BLEW UP! AND NOW MONITOR TOO! WTF?!

  6. #66
    Variable Bitrate
    Join Date
    Apr 2004
    Posts
    343
    hmm, but i wonder if that oem gps performance is similar to say the garmin unit for 85 bucks or whatever. im thinking you will need to make that little battery backup PCB thing, shown in someones picture above. hmm, whats peoples experience with the performance of various oem units?

    ive searched a few times, but most people are using dongles.
    Carputer HIFI car stereo project!
    [XXXXXXXXXXXXXXXXXXXXX-]
    95% COMPLETE! FINALIZING SOFTWARE PLATFORM!

    [XXXXXX--------------]
    30% COMPLETE! CAPUTER Version 2.0! Hardware FAILING! CARPUTER BLEW UP! AND NOW MONITOR TOO! WTF?!

  7. #67
    FLAC IntellaWorks's Avatar
    Join Date
    Jun 2004
    Location
    NH
    Posts
    1,173

    .

    Garmin 15L & H models seem to be the most reliable / accurate (depending on the antenna placement)

    F
    Progress [I will seriously never be done!]
    Via EPIA MII
    512MB RAM
    OEM GPS (embedded)
    nLite WinXP pro on
    1GB Extreme III CF card
    Carnetix 1260 startup/ DC-DC regulator
    Software: Still, re-Writing my existing front end in .Net

  8. #68
    Variable Bitrate
    Join Date
    Apr 2004
    Posts
    343
    currently i have my usb mouse under the dash of my car attached to an air vent. it probably averages about 5-7 sats the most was 9 and only if im in the city with tall buildings itll drop to 2 sats or less. if i were to put the antenna in this same location, would it do any better? or should i find a different spot? say in the windshield cowel where the wipers go.
    Carputer HIFI car stereo project!
    [XXXXXXXXXXXXXXXXXXXXX-]
    95% COMPLETE! FINALIZING SOFTWARE PLATFORM!

    [XXXXXX--------------]
    30% COMPLETE! CAPUTER Version 2.0! Hardware FAILING! CARPUTER BLEW UP! AND NOW MONITOR TOO! WTF?!

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