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Thread: 2004 Silverado wire colors

  1. #1
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    2004 Silverado wire colors

    Hi all,
    I've got a 2004 silverado ext. cab with the Bose system. I've added an amp and two 10" woofers, but I'm a bit stuck. Everything is wired up and the amp powers on like it should (read no sparks or fire). But I get no sound from the speakers. I have a line converter, that I used to tap into the factory wires that run into the bose amp. I spliced into the wires just before the wire harness that plugs into the bose amp. The wiring is secure because the bose system still runs fine. I'm wondering if I spliced the wires incorrectly - wrong colors. Does anyone have an idea of what color wires are the right/left positive/negative?

    Thanks in advance for any help.

  2. #2
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    Just a quick update - I plugged my mp3 player into the amp (rca cable that has a headphone plug on one end). The amp/speakers worked fine, so I'm 99% sure that I picked the wrong color wires to splice the line converter into.

  3. #3
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    Nevermind - I found what I was looking for.

    Thanks

  4. #4
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    I really hate to dig up post this old, but I can't find the answer to my problem through any of the forum and this is the best I have found through google.

    I have the same exact scenario, same truck same problem. What did you do to fix this issue?

  5. #5
    FLAC freeflashstuff's Avatar
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    Is it a 1500 or 2500?
    I have bad luck with vehicles...

  6. #6
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    Quote Originally Posted by freeflashstuff View Post
    Is it a 1500 or 2500?
    1500.
    I'm getting sound out of my sub, but it's very weak. I have a pioneer 300w amp that puts out 150w rms @ 4ohms. My sub in a sony that is rated max 450w/150wrms. this is an old sub that I havent used in probably 3yrs. I'm not sure if its the way I have it hookedup, sub, amp or enclosure.

  7. #7
    FLAC freeflashstuff's Avatar
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    I found you a wiring diagram online. Here's the link: http://www.modifiedlife.com/car-radi...let-silverado/

    2004 Chevrolet Silverado Car Stereo Radio Wiring Diagram

    Radio Constant 12V+ Wire: Orange
    Radio Ignition Switched 12V+ Wire: Class 2 Serial Data
    Radio Ground Wire: Black/White
    Radio Illumination Dimmer Wire: N/A
    Radio Antenna Trigger Wire: N/A
    Radio Amplifier Trigger Wire: Pink
    Front Speakers Size: N/A
    Front Speakers Location: N/A
    Left Front Speaker Wire (+): Tan
    Left Front Speaker Wire (-): Gray
    Right Front Speaker Wire (+): Light Green
    Right Front Speaker Wire (-): Dark Green
    Rear Speakers Size: N/A
    Rear Speakers Location: N/A
    Left Rear Speaker Wire (+): Brown
    Left Rear Speaker Wire (-): Yellow
    Right Rear Speaker Wire (+): Dark Blue
    Right Rear Speaker Wire (-): Light Blue
    I have bad luck with vehicles...

  8. #8
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    thanks for the input guys. I figured out the problem. If you have a chevy pickup with the BOSE system You have to find and use the speaker wire going to the two subs under the console. I did this & I'm getting exactly what I wanted and expected. It took a lot of iternet research and phone calls to a few shops to figure this out, so I will outline the process incase anyone else has this issue.
    -----------------------

    installing an amp and sub into a chevy silverado ext cab with the BOSE system:

    first thing first: you already have two subs (6") and an amp in the truck; they are located under the center console. Unscrew all the screws holding the storage box in place and pull it out, then pull out the cup holder. You should see the factory amp under the storage box. The two subs are too hard to get to so don't worry about finding them, but incase you are wondering they are towards the front of the truck almost directly below the a/c controls. Before you take all this apart you should go buy a decent line output converter (LOC). I used the slc-4 ( http://www.scosche.com/products/sfID...productID/1388 ). hindsight being 20/20 I think something like the scosche LOC-80 ( http://www.scosche.com/products/sfID...productID/1387 ) would of worked just fine if not better. you can get either at Wal-Mart for under 20 bucks. I hooked up the slc-4 by connecting the 4 wires going to the two factory subs as left rear & right rear on the box and switched the LOC to line-in.

    The wires for the subs are found on the passenger side of the factory amp. they are:

    left sub is
    Lt Grn\Blk(-)
    DkBlu\Wht(+)

    Right sub is
    Dk Grn (+)
    Lt Blu\Blk(-)


    splice into all four wires and connect to the LOC following the manufacture instructions. Run your RCA cables to your new amp and you should be good to go. The rest is a typical install from here on out. It took two days worth of looking through forums and doing Google searches to figure this out... hopefully I have given enough details that it wont take you that much wasted time to get the job done.

    The key here is that you have to get your amp inputs from the factory sub wiring.. which is found on the passenger side of the factory amp.


    2004 chevorlet silverado extended cab bose factory system.

    hope this saves someone some time and trouble along the way.

  9. #9
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    Quote Originally Posted by wgonfan View Post
    thanks for the input guys. I figured out the problem. If you have a chevy pickup with the BOSE system You have to find and use the speaker wire going to the two subs under the console. I did this & I'm getting exactly what I wanted and expected. It took a lot of iternet research and phone calls to a few shops to figure this out, so I will outline the process incase anyone else has this issue.
    -----------------------

    installing an amp and sub into a chevy silverado ext cab with the BOSE system:

    first thing first: you already have two subs (6") and an amp in the truck; they are located under the center console. Unscrew all the screws holding the storage box in place and pull it out, then pull out the cup holder. You should see the factory amp under the storage box. The two subs are too hard to get to so don't worry about finding them, but incase you are wondering they are towards the front of the truck almost directly below the a/c controls. Before you take all this apart you should go buy a decent line output converter (LOC). I used the slc-4 ( http://www.scosche.com/products/sfID...productID/1388 ). hindsight being 20/20 I think something like the scosche LOC-80 ( http://www.scosche.com/products/sfID...productID/1387 ) would of worked just fine if not better. you can get either at Wal-Mart for under 20 bucks. I hooked up the slc-4 by connecting the 4 wires going to the two factory subs as left rear & right rear on the box and switched the LOC to line-in.

    The wires for the subs are found on the passenger side of the factory amp. they are:

    left sub is
    Lt Grn\Blk(-)
    DkBlu\Wht(+)

    Right sub is
    Dk Grn (+)
    Lt Blu\Blk(-)


    splice into all four wires and connect to the LOC following the manufacture instructions. Run your RCA cables to your new amp and you should be good to go. The rest is a typical install from here on out. It took two days worth of looking through forums and doing Google searches to figure this out... hopefully I have given enough details that it wont take you that much wasted time to get the job done.

    The key here is that you have to get your amp inputs from the factory sub wiring.. which is found on the passenger side of the factory amp.


    2004 chevorlet silverado extended cab bose factory system.

    hope this saves someone some time and trouble along the way.
    I have a similar question, I have a 2004 Chevy Tahoe with the stock Bose system. I am trying to hook my 2 subs up to the stock radio but i do not know where the stock subwoofer is in my tahoe, if you have any information please let me know.

  10. #10
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    I have a 2004 Silverado ext cab with the Bose system. I am also about to install two 10 subwoofers. What if I just tap into my rear speakers and not go through my factory amp? I was planning on putting a wire tap on the rear speakers and then running the wires into a LOC-80 and then to my amp. Would this work as well or should I just play it safe and follow your directions by going through the factory amp?
    Thanks for your help.

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