OEM Subwoofer wiring
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This is a discussion on OEM Subwoofer wiring within the Electronics/Car Audio forums, part of the Interior Mods category; is the wiring for the oem subwoofer in every car? ie under the seat or does the subwoofer attach to ...

  1. #1
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    OEM Subwoofer wiring

    is the wiring for the oem subwoofer in every car? ie under the seat or does the subwoofer attach to the radio directly. if so is the low pass filter built into the head unit or the sub itself.

    i am looking for a source for my aftermarket amp, and if there is already a low level imput under the seat then it should be easy.

    anyone else running a sub off the factory head unit? where did you get your signal from?
    oops

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    Registered User geefunk's Avatar
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    bump, in for results

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    Registered User bikefreax's Avatar
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    No the wiring is not there unless you have the factory sub. The wiring harness is part of the package.

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    so that harness plugs into the back of the radio? is there a seperate plug for the power?
    oops

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    Registered User bikefreax's Avatar
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    The way the harness works is it goes between thw radio and the regular harness. You unplug the radio and then put that plug into the sub harness which then splits and goes to the sub and into the back of the radio. Hope this is not confusing.

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    Amo
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    I just bought the OEM sub, but realized that it only plugs into the stock HU.

    Is there any adapter or anything you can use for wiring the OEM sub into an aftermarket HU? Or am I just SOL?

    My HU is the Kenwood DNX7100, it has two cable looking receivers labeled for the sub.

  8. #7
    Registered User MWatson17's Avatar
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    Hate to bring this thread back from the grave, but I was wondering if anyone had an answer to that question about the aftermarket head unit ^^^^.

    I'm considering putting the Subaru sub in my Miata (it has an aftermarket head unit) and buying a Boss Bass1200 or something for the Subie.
    Matt
    2003 Silver Pontiac Vibe (sold)
    1990 Red Miata on Megasquirt3, soon to be getting the stock turbo off the WRX
    2002 Silver WRX sedan, Full Exhaust, 16G, Cobb AP self-tuned on E85 (work in progress)
    1986 Chevy K20, 350 4x4 on Megasquirt. Brings the car home when it breaks.

    Future cars? Too many to list.

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    OMG WTF MainFrame's Avatar
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    I've had first hand experience with three OEM Subaru subs, and the only place I would put them is in the trash.

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    Registered User MWatson17's Avatar
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    Haha, they may not be great, but they're just what I wanted. I was able to get it in the Miata and it works just fine, and really fills in the bass that the system didn't have.
    Matt
    2003 Silver Pontiac Vibe (sold)
    1990 Red Miata on Megasquirt3, soon to be getting the stock turbo off the WRX
    2002 Silver WRX sedan, Full Exhaust, 16G, Cobb AP self-tuned on E85 (work in progress)
    1986 Chevy K20, 350 4x4 on Megasquirt. Brings the car home when it breaks.

    Future cars? Too many to list.

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    This thread also makes me sad. Why waste your time and money on products that are unbelievably mediocre?

  12. #11
    Registered User MWatson17's Avatar
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    Sub came with the car, and I'm gonna put a better sub in it, so I figured I'd make use out of the factory.
    Matt
    2003 Silver Pontiac Vibe (sold)
    1990 Red Miata on Megasquirt3, soon to be getting the stock turbo off the WRX
    2002 Silver WRX sedan, Full Exhaust, 16G, Cobb AP self-tuned on E85 (work in progress)
    1986 Chevy K20, 350 4x4 on Megasquirt. Brings the car home when it breaks.

    Future cars? Too many to list.

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    To each his own, but why waste your time? You're going through all that work to hook up a factory sub when you're going to have to duplicate effort when you upgrade.

  14. #13
    Registered User MWatson17's Avatar
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    It's a Miata, a little sound goes a long way. I don't plan on upgrading.
    Matt
    2003 Silver Pontiac Vibe (sold)
    1990 Red Miata on Megasquirt3, soon to be getting the stock turbo off the WRX
    2002 Silver WRX sedan, Full Exhaust, 16G, Cobb AP self-tuned on E85 (work in progress)
    1986 Chevy K20, 350 4x4 on Megasquirt. Brings the car home when it breaks.

    Future cars? Too many to list.

  15. #14
    Registered User Heide264's Avatar
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    I don't think it is a bad idea. I've had to work with what I had my whole existence. If you have an under the seat sub that isn't bad, you can always use it. Once you install it, it's not hard to upgrade later if you want.

    Just my opinion.

    Did you have to run power to it? I'm not sure how those subs work.
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  16. #15
    Registered User MWatson17's Avatar
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    6 wires I had to tap into, all found on the back of the headunit:
    Power/ground for both rear speaker wires,
    12v power,
    Ground,

    So yes, you have to power it with 12 volts. I tapped into the headunit power and haven't blown any fuses yet. the sub and HU both have their own fuses so if something will blow it would be at the car's fuse block.
    Matt
    2003 Silver Pontiac Vibe (sold)
    1990 Red Miata on Megasquirt3, soon to be getting the stock turbo off the WRX
    2002 Silver WRX sedan, Full Exhaust, 16G, Cobb AP self-tuned on E85 (work in progress)
    1986 Chevy K20, 350 4x4 on Megasquirt. Brings the car home when it breaks.

    Future cars? Too many to list.

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