Wiring new speakers help!!

[mrdoofer04]

So I've been searching for good threads regarding a speaker replacement and have yet to find solid answers. I have an 02 b6 avant with Bose symphony. From what I've learned, my front and rear speakers are amped separately. I am in the process of wiring new component speakers to a new 4 channel amp. Feeding new wire through the system seems impossible but I'm not sure which is rca signal and which is power.


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[Seerlah]

I have a B5, but wired two 10" subwoofer with amp by tapping harness on back of head unit (still rocking stock head unit). Had it professionally done, but seen how he did it (curious, and wasn't that difficult). Everything needed for the amp can be tapped from stock harness on back of radio. You just need to find out what wire goes to what (ie remote and speaker). You don't even need a converter. Just splice or solder wire tap to an RCA cable (that is how mine is and been running it this way for years no problem). I have a B5, and would guess it different than a B6. Otherwise, I would pull my radio and tell you what wires are for what.

[Fast4esT]

These are the pins of your Bose amp, I just did this recently. To keep the project simple you can use the existing speaker wiring. You can add rcas to the head unit or tap into the speaker wires at the Bose amp plug.
Your stock radio should have the diagram of the wiring up front.

[mrdoofer04]

So I am more concerned about tapping in the power . So would the Bose amp be the place to start


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[Fast4esT]

How many wattts is the amp, suggestion will be to get power directly from the battery and use the correct gauge wire and same gauge for your ground wire. Just tonthebpassanger side of the battery are two holes through the Fire wall. I passed through the upper hole, then remove glovebox. There is foam along interior side of fire wall, you will have to cut a hole in the foam to retreive your power wire, then run it down behind the side panel and under the door silk trim/carpet to the back seat, under back seat to the trunk. It's a slight pita getting through the Fire wall, I ran 0 gauge wire, I assure you can do it, doesn't take long at all and you'll never see it after.
I ran my rca lines along driver side.
For remote power wire, I tapped into the Bose harness plug.
Ground goes to seat belt bolt.
Wires from amp to speakers run from the amp to the corresponding pins on the harness connector and too the speakers and sub