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Thread: Wiring an amp in a car with factory deck.

  1. #1
    Raw Wave tbird2340's Avatar
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    Wiring an amp in a car with factory deck.

    My friend wants to put an amp in his car and doesn't want to buy a new deck.

    Is this possible? His deck doesn't have preamp outputs or a remote wire.

    How can this be done?

    Thanks
    Current Vehicle: 2007 Dodge Nitro

    Second Vehicle: Sold it :( 2005 Dodge Ram 1500 Quad Cab

    First Vehicle: 2003 Ford Ranger

  2. #2
    Constant Bitrate
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    Yo
    u can use high level inputs. Which means you wire each speaker channel ie the positive and negative of each of his speakers in the amp. This is the less desirable way but will work for your application. As for a remote turn on you can run a line from the acc position on the ignition. So whenever the car is on the radio's amp is on. Good luck.

  3. #3
    Maximum Bitrate boomintrac's Avatar
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    yes that would work or you could run a loc (line output converter) takes the high level and converts it to a low level out (rca out) a good converter will run around $20 this will let you tie into the front or rear left and right channels to get a rca out

  4. #4
    Raw Wave tbird2340's Avatar
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    Should have been a little more specific...

    He is adding an amp and a set of subs.
    Current Vehicle: 2007 Dodge Nitro

    Second Vehicle: Sold it :( 2005 Dodge Ram 1500 Quad Cab

    First Vehicle: 2003 Ford Ranger

  5. #5
    Variable Bitrate HHdesign's Avatar
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    Do what the above posters told you, connecting an amp to power is easy, run your x gauge wire to the pos, ground the neg, and then run your speaker wire to your subs in what ever Ohms you desire.
    Jeep Grand Cherokee Laredo
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  6. #6
    Variable Bitrate roadhog's Avatar
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    But by using a speaker level to line level reducer (whether in the amp or external) will seriously (ie you will hear the difference ) degrade the sound. Far better to get a new head unit with line out, and spend a little less on the other.

  7. #7
    Constant Bitrate Adam432823's Avatar
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    I guess what you mean is that he intends to use the stocker speakers hooked up to the head unit. Then he wants to also have his new sub hooked up to a new amp and somehow connected to the head unit.

    Actually I don't know how to do this. I suppose you could clip the rear speakers and run the rear outs into your amplifier... but then you have no rears. I'm not sure if you could run the rear speakers and a LOC in parrallel, but something about that idea makes me think it won't work too well.

    Anyone else???

  8. #8
    Variable Bitrate HHdesign's Avatar
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    I originally had this problem on my jeep, let me see if I can find some pictures of this. I can say, using an aftermarket HU sounds a hellofalot more nicer than stock.
    Jeep Grand Cherokee Laredo
    Kenwood X790 x/ iP500 Ipod Interface
    Elemental Designs 13Kv.2 D2
    CDT ES-620 (omg yayay!!!1)
    NINe.2X, NINe.2

  9. #9
    Constant Bitrate CornToeGoblin's Avatar
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    2008 Civic... Sound system... then carputer install...
    WORK IN PROGRESS

    If you look at my avatar closely, you can see a chick with two big knockers....

  10. #10
    Raw Wave tbird2340's Avatar
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    And I agree but the kid only wants to buy so much.... Thanks HHdesign.
    Current Vehicle: 2007 Dodge Nitro

    Second Vehicle: Sold it :( 2005 Dodge Ram 1500 Quad Cab

    First Vehicle: 2003 Ford Ranger

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