where EXACTLY is whole in firewall - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-11-2003, 01:15 AM   #1
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Default where EXACTLY is whole in firewall

Im putting in a sub, amp, etc, and need to know where a whiole is in the firewall to put the 4 guage wire*. and if possible a little description on how to get there Passenger side if possible.
thanks
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Old 09-11-2003, 02:06 AM   #2
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Default this may sound crazy but..

ok what im telling u may sound crazy but...

here is what i did i took off some of the decorative plastic under the hood near the front window the i unbolted the mount and feedthrough for my airbag sensors and fed it through i also had to take my glove compartment out feeding the wires through is a real pain use a coat hanger to feed them down and through

you could do this or possibly make ur own hole to feed the wire through
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Old 09-11-2003, 03:42 AM   #3
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what u got for system?
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Old 09-11-2003, 03:43 AM   #4
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run the wire through the door...
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Old 09-11-2003, 07:36 PM   #5
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im putting in a 10 sub with custom box and 375W amp. Ive already made a hole in the firewall before by drilling, and it was right behind the gas pedal, so if i add anymore wires going through there i wont be able to floor it anymore. just wondering if anyone knew exactly where the wholes are. i know they exist on both sides cuz wires for the comp, and wires for the fuse box and ignition wires. Guess ill have to go fishin for them
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Old 09-11-2003, 08:16 PM   #6
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check out the website on the third page http://www.cardomain.com/id/plurr shows u how i ran mine
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Old 09-12-2003, 01:48 AM   #7
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dude you dont need a 4 guage wire...8 would be plenty
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Old 09-12-2003, 02:27 AM   #8
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It actually depends on how much power u plan on running through the wire and how long the wire is going to be. and when u buy a wire kit wire is wire dont be fooled by all the fancy high priced wires that look pretty, ur gunna hide them ne way the only two things that matter are length and gauge a 4 gauge kit that has everything u need should cost u no more that about 20 bucks
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Old 09-12-2003, 03:22 PM   #9
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Quote:
Originally Posted by jachin
It actually depends on how much power u plan on running through the wire and how long the wire is going to be. and when u buy a wire kit wire is wire dont be fooled by all the fancy high priced wires that look pretty, ur gunna hide them ne way the only two things that matter are length and gauge a 4 gauge kit that has everything u need should cost u no more that about 20 bucks
thats actully NOT true.... wire is not all the same..... look at it this way... take your average 4 guage "wire", it has a few strands.... try to bend it.. its stiff as a b*ch, now u take a specially designed car audio wire, it flexes more, and has more strands... more strands=better current carrying capability.....
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Old 09-12-2003, 04:56 PM   #10
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HIgh power amps take JUICE, and you can't deliver as much juice thru an 8 gauge as 4 gauge. My friend has a 1000w @ 1ohm (which it'* running at btw ) that i put in his car. It needs 4 Ga. or bigger power cable. If your cable is too small it can catch fire/burn if it has too big of a shock thru it, and then your car is on fire all the way to your first inline fuse. Always use recomended or bigger power cables for amps, proper terminals, and splitters. e.g. not how crazydriver868 hooks hit power cable to his battery..
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