i have 2 audiobahn 12s and an adiobahn amp in my 2000 malibu...1. the thin blue wire that comes from the amp to the stereo is connected to an orange wire behing the (stock) stero, and when i turn off the car the amp stays on. does anyone know which wire to connect the blue wire to, so the amp turns off with my radio or when i turn off the key.2. only one of my 12s is hitting, i think ther might be a wire connected wrong behind the stero. since i have a stock stereo and i have a converter hooked up, because it had no rca inputs on it. its not the speaker or the rca wire itself, because when i connect it with a y cable to the amp one or the other will work...i would appreciate it if someone could help.
you have the amp connected to a hot all times wire, you need to switch it to a hot with ignition wire so amp will power down with key off, most of the time red is always hot and yellow is switched, orange is dimmer usually, blue or blue and white is usally the amp signal wire, try changing it to hook it up to the power ant out from your head unit if you have a power ant. or use the cd changer input if your head unit has it, usally blue as well.
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Ditch the stock radio and buy a new head unit with sub outputs. It will be a lot easier, and sound a lot better. This will probably get rid of both of your problems assuming you get the wiring harness with the purchased radio
Your best bet at this point would be to get an aftermarket stereo anyways. Chances are it will put out more than twice the power your factory installed one does, and it will have line outs for your amplifier. I say will because some crappy ones do not, avoid those. Go out and buy a new radio, spend maybe 30 minutes installing it (it seems as if you already have the general idea on this kind of thing), and then take a little time to wire the amp to the new radio. A lot easier than looking up the wiring diagram for your car's factory radio, cutting and soldering wires, taking stuff apart, I dunno.
I dont specifically know what the wiring diagram for a malibu is, (you should look this up if you dont already know, so that you can properly wire your amp), but this is how it should be connected: 1. the blue wire should be hooked to the remote turn on wire or power ant wire from your car 2. the power wire should be wired directly to your battery, with an inline fuse. The power wire should NOT be connected to any of the wires already existing in your car. 3. the ground wire should be connected directly to a ground point in your car The reason that your amp is not shutting off when the car turns off is because you more than likely did not properly connect the remote turn on/power antenna lead. If your car doesn't have one, you can connect it to the ignition (be careful when doing this). As for the subs, check the wires that you spliced into to your line-out converter. It sounds like you may not have properly connceted the left wire, and only the right is getting a signal. If it's not that, then maybe you bought a crappy line-out converter and it's broken.
