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Discussion Starter #1
Anyone have a good way to get a 4/2/0 gauge cable through the firewall? I don't want to drill any new holes, and the only thing I really see going through the firewall is the steering wheel column, and don't particularly want to mess with that either.

I was thinking of taking the plastic covering out from the drivers side wheel well and following the main wireing harness through the door jam area, where ever that goes. Anyone done this and have any tips?
 

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I just pushed my 0 gauge power wire right through the firewall, it was a little tight but still fits nicely. All you have to do then is run it to the trunk and hide it behind the door panels (which I haven't done yet....too lazy to take the panels off). It wasn't as much of a pain as I had imagined. What kind of setup do you plan on running?
 

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i didnt use that big of wiring, but yeah i just pushed it through the firewall along with the rest of the electrical wires, and as to pulling up the door jam plastics, they just pop off, i dont remember any screws, then just run the wire through the rear seat once you get that far. not too hard. and take your time pulling the door jam plastics off, you dont want to break any of the plastic fasteners, that is unless you like gorilla glue.
 

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Discussion Starter #4
Where in the firewall are you running the cable through, that is my main question. Usually there is a rubber gromit or something, but I had a quick look around and didn't see anything other than the steering column.

I'm planning on running my three MTX amps to a set of 6x9s and two 12" MTX subs. I had this set up in my Sunfire, and it was thumping, but after over a year of owning the Optra5, all I've done is install the head unit, so it's time to install the rest now. I run my 280watt to the 6x9s and I run two 200watt amps, one for each sub. Not too much power, but enough to really enjoy the music, and maybe show off a little when I need to. :grin:
 

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Originally posted by ChiPPy@Jun 2 2006, 03:18 PM
I run my 280watt to the 6x9s and I run two 200watt amps, one for each sub. Not too much power, but enough to really enjoy the music, and maybe show off a little when I need to. :grin:
Why such big wiring?

If that wattage is max then your wiring is huge... if its RMS its still a bit big. If you already had the wiring than why not but if you just bought it you should return it and get something smaller. Wiring kits are expensive.
 

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Discussion Starter #6
Originally posted by kinkyllama@Jun 7 2006, 01:41 PM
Why such big wiring?

If that wattage is max then your wiring is huge... if its RMS its still a bit big. If you already had the wiring than why not but if you just bought it you should return it and get something smaller. Wiring kits are expensive.
I already have the 4ga cable sitting here, but I have a friend who can get me 0ga welding cable for next to nothing. The 4ga will be fine though, it served me well with this install once before..... just a matter of running the cable now.
 

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I used 8ga on my 500watt I went through the steering column. It was the only place I could find in the Dim garage light. I wrapped it in conduit around the entry and exit points and used electrical tape to hold the conduit in place. I hoped this would reduce some heat transfering to the outer plastic of the wire and hopefully would reduce any friction that could possibly occur. 4ga and up could find trouble in the steering column though. I just hate taking any wires through the fenders or door jams...I find it a bit shortcutty (add that to the dictionary).
 
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