GMOS-06 or PAC SWI
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Cadillac Audio, Video and Security Systems Discussion, GMOS-06 or PAC SWI in Item Specific Cadillac Discussion; PAC SWI-X Steering Wheel Radio Control Interface I called car toys (audio store) about installing the gmos-06 unit for me ...
  1. #1
    OnDaSlab is offline Cadillac Owners Fanatic
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    GMOS-06 or PAC SWI

    PAC SWI-X Steering Wheel Radio Control Interface

    I called car toys (audio store) about installing the gmos-06 unit for me and they said they sold a similar item made by PAC.
    this is a link to it.

    Anyone have any experience with this one?

    Also if i use the Gmos-06 would i just be matching colors with the factory harness or does it just attach into the factory harness? and insert the rca s to the HU?

    is there any wires that i need to run seperately like power or something?

    thanks

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  3. #2
    CadillacSTS42005's Avatar
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    Re: GMOS-06 or PAC SWI

    the gmos-06 is a direct plug in it also retains your wheel controls pending on which year and make you have (last gen sevilles and devilles it will work where the buttons are on the wheel ones that had them behind the wheel i dont think it works)

  4. #3
    OnDaSlab is offline Cadillac Owners Fanatic
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    Re: GMOS-06 or PAC SWI

    I have another question

    since the gmos 06 is connected to the HU through rca's and i already have my amp for my sub connected to the HU through rca.

    what can i do if i only have i pair of outputs on the aftermarket HU?

    thanks

  5. #4
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    Re: GMOS-06 or PAC SWI

    get a Y that will give you 2 sets of rcas off one set of plugs
    or upgrade to a unit that has front rears and sub

  6. #5
    OnDaSlab is offline Cadillac Owners Fanatic
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    Re: GMOS-06 or PAC SWI

    RCA RY6 Y Connector 1 Male To 2 Female Plags

    you mean like the one in the link?(just one female connected to the gmos-06 and one female connected to the sub's amp?

    or can i
    buy 2 RCA Splitters that are one male 2 female. So now i can have 4 females total (2 for the amp and 2 for the gmos)

    so this won't be a problem, i wont send any highs to the sub since the highs are filtered out right?

    i have a bass knob so i can control the bass of the amp and the amps has a crossover built in.

    thanks
    i dont know much about audio as u can tell

  7. #6
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    Re: GMOS-06 or PAC SWI

    thats perfect thats all you need is two of those that are in the link
    connect them into the hu then you will have 3 sets at the hu
    or you oculd do it at the back and buy a smaller set of rcas for less money

  8. #7
    Dadillac's Avatar
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    Re: GMOS-06 or PAC SWI

    The GMOS-06 retains use of the steering wheel buttons. But. There is always a but. The volume will work the volume. But, the volume button lowers the volume at the factory amp. So you will still need to work the HU volume, if your sub is hooked into it. Also, the "SEL" button, now becomes a "FADER" button. Since you will be powering 4 speakers through two RCA's, that is how it adjusts it.

    Don

  9. #8
    OnDaSlab is offline Cadillac Owners Fanatic
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    Re: GMOS-06 or PAC SWI

    Help with installation.

    in this attached picture the gmos 06 shows a red and blue wire.
    is this the power wire and not sure about the other one.

    are both needed to be connected to a battery or ignition or to the HU?

    would really appreciate any help with this installation since i dont have alot of cash to get someone to do this
    Attached Images

  10. #9
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    Re: GMOS-06 or PAC SWI

    i would assume thats for your aftermarket hu.
    the blue wires the antenna
    red is you ignition power wire
    and you need to run your own yellow wire to my knowledge on all caddys due to the computers it has no true constant power wire.

  11. #10
    OnDaSlab is offline Cadillac Owners Fanatic
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    Re: GMOS-06 or PAC SWI

    thanks

    so what would the attenna wire connect to? the HU?
    also
    about the red wire, can anyone help me figure where is the easiest way to connect this wire to in a 2000 deville?

    CaddyETC- u said i had to run a constant power from the HU to battery right?


    and i'm assuming ill connect the ignition wire from the HU also.

  12. #11
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    Re: GMOS-06 or PAC SWI

    you connect the blue and red wires to the hu itself
    the yellow wire you run from the + terminal on your batt to the yellow wire on your hu

  13. #12
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    Re: GMOS-06 or PAC SWI

    actually now pac sells steering wheel interface for specific radios. it works great, and a lot quicker install

  14. #13
    bachataweb is offline Cadillac Owners Member
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    Re: GMOS-06 or PAC SWI

    I own a 2005 Cadillac STS Non-Navigation w/Bose and I am looking to get an aftermarket Navigation Radio installed.

    It seems to be trivial, since non of the harness companies seem to have the harness for it.

    I contacted a local car radio place that says they can do it and it will take installing the PAC OS3 BOSE (retains onstar system) and the PAC SWI PS (retains steering wheel controls) ... The only thing they say will not function would be the preferences that can be set through the SETUP function of factory radio... they say that I would need to set all of my preferences before they uninstall the factory radio to install the aftermarket navi.

    Has anyone had this done? If so, is it correct that only the SETUP function is the only thing lost during this process???

    PLEASE ADVISE. I am about to do this within the next couple of days.

  15. #14
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    Re: GMOS-06 or PAC SWI

    you cant keep the stock controls with an aftermarket hu

  16. #15
    Bdbarb is offline Cadillac Owners Member
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    Re: GMOS-06 or PAC SWI

    In case others find this post, I had tried to find more info on what I could use for the harness and did not know that you can successfully use the PAC-Audio instead of the Metra. Tore out the Metra gmos-06 which was picking up engine noise and giving garbled chimes. Installed this Pac-Audio OS2-GM32 which works perfect! I was worried that the instructions were for the Bose system, but I don't have Bose and it is fine. I need to post some links to the pictures I have for the install. I would not recommend going with the Metra kit as the radio would cut out, garbled chimes, etc... The Pac has a built in speaker. I also added a Pyramid NS10 10 Amp InLine Noise Suppressor. Considering the radio has a 10AMP fuse on it I went with the 10Amp one, not the 12. Haven't had any trouble at all and it works great. For anyone having trouble putting the wires in, just put everything in between the back of the radio and the ac controls, there is a little space there that is just enough to get it all in. Electrical tape is your friend!

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