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Thread: Making own 1/8 stereo jack to pioneer headunit

  1. #11
    Confusion Master
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    Quote Originally Posted by FascistKaiser View Post
    so as far as the 1/8 is concerned it doesnt matter whether its +/- just as long as their not touching each other?

    Noooooo. the shields are the - (negatives), the shield being the outer surrounding layer, the inner cores are the positives.

  2. #12
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    ok, im sure ill understand better when i have it in front of me and im looking at these posts again

  3. #13
    Maximum Bitrate FusionFanatic's Avatar
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    yes, it DOES matter which wires go where...

    in a 3 conductor (stereo) 1/8" jack/plug; the "tip" is the left channel, the "ring" is the right channel, and the "sleeve" is the common ground.

    see here for more info.


  4. #14
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    Quote Originally Posted by FusionFanatic View Post
    yes, it DOES matter which wires go where...

    in a 3 conductor (stereo) 1/8" jack/plug; the "tip" is the left channel, the "ring" is the right channel, and the "sleeve" is the common ground.

    see here for more info.

    Well, yes and no.

    In this instance I was just trying to help him get the sound working without overcomplicating it.

    once wired up it would then just be a matter of switching the plugs on the Pioneer HU end if the left came up on the right etc

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    so i bought an 1/8 to 1/8 cable from radioshack(6ft) and chopped off one end, split it and inside is what looks like thin tin foil which im assuming is the shielding wrapped around a red and a black wire and what looks like thin steel cable which is the ground? i think i know where the red and black go on the ip-bus but what about this steel cable?

  6. #16
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    The red and black are the R+ and L+, the steel cable needs to be split (assuming the steel cable went round both the black and red wires) and twisted to make two new wires, one will be R- and the other L-, the 'tinfoil' can be cut off at the point of split.

  7. #17
    Maximum Bitrate FusionFanatic's Avatar
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    Quote Originally Posted by FascistKaiser View Post
    so i bought an 1/8 to 1/8 cable from radioshack(6ft) and chopped off one end, split it and inside is what looks like thin tin foil which im assuming is the shielding wrapped around a red and a black wire and what looks like thin steel cable which is the ground?
    since a 1/8" stereo mini-plug/jack has only 3 conductors, most 1/8" > 1/8" stereo cables (a.k.a. "patch cables", "dubbing cables", etc) only have 3 wires. they have 2 insulated signal wires and 1 uninsulated [common] ground wire. the foil is just shielding to help minimize interference.

    Quote Originally Posted by FascistKaiser View Post
    i think i know where the red and black go on the ip-bus but what about this steel cable?
    the IP-BUS connector has separate grounds for each channel, but the 1/8" jack uses a common ground for both channels; you simply connect the two IP-BUS grounds together.

    the red and black wires should be connected to IP-BUS pins #7 and #9 (use a multi-meter to verify which color goes where). the uninsulated ground wire (the one you referred to as a "steel cable") should be connected to both IP-BUS ground pins (#10 and #11).

  8. #18
    Maximum Bitrate FusionFanatic's Avatar
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    BTW... you can buy pre-wired IP-BUS>1/8" adapter cables on eBay for about the same price you paid for that radio shack patch cable (+s/h)

    you could also buy a IP-BUS>stereo RCA adapter cable, chop off the RCA connectors and wire it to a 1/8" stereo jack mounted somewhere on your dashboard or center console. this would look much better than a random cable hanging out from your dash, and it would allow you to hide all [external] wires when not in use.

    whatever you decide, good luck

  9. #19
    Maximum Bitrate Woofnstuff's Avatar
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    why dont you just BUY the pre made line in adapter for the pioneer head deck, it has all the resistors and stuff in them and locally i pay about $40US for them.

    edit... just finished reading the post above.. we get so ripped off here.. $6, damn thats cheap

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