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Thread: Sony Amp problem, please help!

  1. #11
    Maximum Bitrate Injector's Avatar
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    this might help,



    i don't know what kind of car you have so i don't know what color the wire you need to use is, but considering you have an aftermarket head unit i'm going to guess that you purchased a harness to connect your new HU to the cars harness, most of the time the cable labeled ignition is red, the only difference between the ignition cable and the remote cable is that the remote lead turns on and off with the HU and the ignition turns on and off with the cars key. let me know if you can find this cable.

  2. #12
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    i have a 99 jeep cherokee, i found the blue striped REM wire and thats what i connected the REM wire that came in my gauge kit set and have the REM from the back of the HU running to the AMP plugged into the REM slot on the AMP

  3. #13
    Maximum Bitrate Injector's Avatar
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    this might help with finding wire colors, there is 2 versions for your car, with an amp and without and amp.



  4. #14
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    i appreciate your help and as you know this is very aggervating thing, from the first diagram you posted im guessing i should look at the green wire, not really sure because this is really a confusing thing for me, tell me if you know the answer why do i get power when i touch the 12volt wire from my battery (the 12v wire is in its slot 3/4ths the way and when i touch some of the 12volt wire with the REM wire connected in the AMP the power stays on when the wires touch? i want to figure that out before i start messing with wires

  5. #15
    What can I say? I like serial. Curiosity's Avatar
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    You should really consider taking that to a professional installer before messing with it too much more.

  6. #16
    Newbie elBradford's Avatar
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    You're using the REM from the head unit, have you considered using the ACC from the ignition? That's what I use - perhaps I'm ignorant and that's a bad thing to do, but it works great for me (esp since I ripped out my stock head unit). Look up a wiring diagram for your car and find what the ACC line is - it should be up under your steering wheel. That might be easier than messing with the REM signal if it's not putting out the correct voltage (or even current if that's an issue, but I don't think there's really ANY draw on a REM load).
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  7. #17
    Maximum Bitrate Injector's Avatar
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    Quote Originally Posted by dwgj18 View Post
    i appreciate your help and as you know this is very aggervating thing, from the first diagram you posted im guessing i should look at the green wire, not really sure because this is really a confusing thing for me, tell me if you know the answer why do i get power when i touch the 12volt wire from my battery (the 12v wire is in its slot 3/4ths the way and when i touch some of the 12volt wire with the REM wire connected in the AMP the power stays on when the wires touch? i want to figure that out before i start messing with wires
    ok i don't mean to be an *** but i think you don't know how the amp works, if you touch the REM wire with any 12v source the amp will turn on because the remote lead gets 12 volts, it does not matter where it comes from be it from the deck or the battery the only thing the amp cares is if it gets 12v at the remote lead it will turn on.

    let me lay this down for you, buy a multimeter, they're very cheap $10 at walmart, and test the voltage at the remote wire coming from your deck, if it does not shut off when you turn off the key or the radio then you'll have to use another source, like ignition from the car which in your case would be the red/white wire that connects from the car harness to your aftermarket radio harness.

    THIS IS MY DISCLAIMER!!!!
    DO NOT CONNECT ANY WIRES WITHOUT TESTING FOR CORRECT VOLTAGE FIRST

    if you feel this is too complicated you should have a professional install the amp, considering you already ran most of the wires they shouldn't charge you too much.

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