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Discussion Starter · #1 ·
I was looking at some in car video accessories on Crutchfield, and it asks about preamp outputs (4,5,6,7 channel)... Can someone tell me which one I'd need to select if I wanted to keep the rest of my equipment (speakers, amps, subs) stock? Thanks in advance.
 

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What sort of accessories were you looking for? I don't think our Shaker has any outputs for anything not Ford. I have heard of people in other vehicles tying into the speaker outputs for amps and other after market accessories and you may be able to here, depending on what you want to do. If you want to do video, it may be cheaper and of better quality to go all after market and tie into the existing wiring with some wiring harnesses.
Crutchfield is great for providing instructions, harnesses, and support for doing it yourself. It can become tricky so you may want to pay for an installation if you have even a tiny bit of doubt about doing it yourself.
 

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Discussion Starter · #3 ·
Actually, all I wanted to do was add an in dash DVD player (I don't care if it has Navigation or not). I already have the bump on my rear deck lid, so I figured I'd also make sure it is Sirius compatable, but that was pretty much all I was looking for. I figured it would be a simple addition until I saw the words "preamp output channels".
 

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Preamp outputs are only needed if you plan to add an extra amplifier. Almost all aftermarket head units come with them now, and they can be added to the stock head unit a couple of different ways. One way is to use a passive line-level output converter, which is a dirty way, cuts the volume to the speakers it is attached to, and gives off a very noisy signal. The cleaner way is to use an active line-level output converter that requires a 12v power source and draws signal from the line-level outputs going from the head unit to the stock shaker amps. I'll be doing this shortly as I am going to add a couple of 12" kicker L5's to my trunk with a 1000w amp.

If you just plan on replacing the head unit, however, you really don't need to worry about it. I would get a unit that has 3 pairs of outputs, however, with one for the front, rear, and subwoofer just to allow yourself the ability to expand in the future. I am not sure, however, that your current sirius antenna will be able to interface with your new head unit.
 
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