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Thread: Make Hyundai HU Aux adapter

  1. #1
    Join Date
    Mar 2005

    Make Hyundai HU Aux adapter

    Trying to buy / make an AUX adapter for my stock Hyundai H260 head unit. Can't seem to find one anywhere, but found a pinout for the 8 pin DIN. So far my ideas include:

    1) Get lucky, and find one premade for sale
    2) Buy new HU (but this one is acceptable)
    3) Use FM modulator (yuck)
    4) Make one!

    I found (on the Hyundai website, their webtech site is great!) a pinout:

    1) R
    2) CD ON
    3) BUS
    4) B+
    5) M.Ground
    6) N.C.
    7) L
    8) A.Ground

    I assume that R, L & A.Ground are needed for the input lines, easy enough. CD ON looks useful... is this to signal the radio, or for the radio to signal the changer? If it is to signal the radio, would applying 12V work? If it is to signal the changer, would grounding it (w/ a resistor maybe?) make the radio believe that there is a changer? I assume that N.C. is not connected, but what is B+ and M.Ground? I hope that I wouldn't have to reply to any signals on the bus pin to trick the radio, would I?

    Anybody with any experience (or documentation!!) that could help me understand what might be necessary?


  2. #2
    Join Date
    Mar 2005
    Ooops, this should have gone in homebrew... sorry.

  3. #3
    Raw Wave wizardPC's Avatar
    Join Date
    Jun 2000
    you forgot option #5

    No head unit at all
    Debt as of 1/1/05: $34,354.48
    Debt as of July 4, 2007: $0.00 explanation
    I'm now a reasonably successful gunblogger.

  4. #4
    Join Date
    Apr 2005
    Did you have any luck figuring this thing out? I am in the same boat as you!

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