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where in firewall to poke power wire??

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Old Jul 18, 2005 | 11:17 PM
  #1  
maroon88iroc's Avatar
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From: mid GA
Car: 88 IROC
Engine: 305 TPI w/ l98 cam
Transmission: T5 5-speed
Axle/Gears: 3.45 posi disc 9 bolt
where in firewall to poke power wire??

i just got some new subs and amp and i need to know the best spot in the firewall to poke the power wire through to get it down into the car. i will be using a sony 1200 watt 2 channel amp and two lightning audio 12"s. ya i know nobody really likes this stuff but i got a hell of a deal on it so im using it. the guy who had this stuff b4 me had them in a blazer and knocked a bottle off the roof from all the roof flex.
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Old Jul 19, 2005 | 01:54 AM
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From: Savanna, Ok
Car: on the hunt for a 3rd gen again
well since the battery is on the passenger side, thats where i always run my wire, as to where to drill through the firewall, i just pull the carpet down (it stops right where the dash starts) and drill through there. Remember to use a grommet to prevent wire from getting cut/exposed to anything harmful)

to find the hole from under the hood, i like to have a friend shine a light from the floorboard............
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Old Jul 19, 2005 | 10:24 AM
  #3  
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
If you have a car with the passenger-side battery, then drilling a hole through the kick panel area right near the antenna wire is the best spot I've found. On cars with the battery on the driver side, I typically drill a hole in the firewall right below the clutch master cylinder. This is an especially nice location on automatic cars.
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Old Jul 19, 2005 | 11:35 AM
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From: mid GA
Car: 88 IROC
Engine: 305 TPI w/ l98 cam
Transmission: T5 5-speed
Axle/Gears: 3.45 posi disc 9 bolt
well i was out there last night and was looking at it and the best spot i found was right there where the antenna wires went out. like traksta15 said i think that is where i will drill. thanks guys for your help.
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Old Jul 20, 2005 | 09:53 AM
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
4 years ago Best Buy installed my amp and drilled the whole near the master cylinder... but the power wire is dangerously-close to the steering column... I need to do some more securing to make it safe.... as far as I can tell it's never rubbed before, but that's not good enough for me.
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Old Jul 21, 2005 | 12:52 AM
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From: Savanna, Ok
Car: on the hunt for a 3rd gen again
honestly, are our systems ever good enough for us??lol
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Old Jul 21, 2005 | 10:12 AM
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
I have an amazing system, but it's hindered by the dashboard for my plates, and I can't stand vibrations, so I have the bass almost all the way down...

I guess in the long run, those vibrations are going to save my hearing. If I didn't have those annoying sounds, I'd be blasting my stereo all day long.
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Old Jul 22, 2005 | 11:37 PM
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From: Yuma, AZ
Car: 1992 camaro rs T-top
Engine: 305 ci V8 TBI
I ran my power wire behind the passenger side kick panle(where the computer wires run to the engine. there was a hole right next to the loom. so i ran my 4Ga right thourgh it and up the fender all the way to the battery.
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Old Jul 22, 2005 | 11:43 PM
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
cool
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Old Jul 22, 2005 | 11:47 PM
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3rd gen V8's Avatar
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From: Yuma, AZ
Car: 1992 camaro rs T-top
Engine: 305 ci V8 TBI
hey scrapmaker how do those Infinity's sound? I was thinking about getting some. Do they sound celan and loud?
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Old Jul 22, 2005 | 11:52 PM
  #11  
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
if you are convinced you want to use the stock 4x6 location, I'd say they are the best money can buy... but from my experience with them, I'd highly recommend you go the kickpanel route.

the dashboard speaker grille actually blocks about half of the tweeter on these plates, on a firebird that is.
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Old Jul 22, 2005 | 11:53 PM
  #12  
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
well they aren't the BEST, but they are among the best, that I know of.
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Old Jul 22, 2005 | 11:56 PM
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3rd gen V8's Avatar
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From: Yuma, AZ
Car: 1992 camaro rs T-top
Engine: 305 ci V8 TBI
Well belive it or not but i have some pioneer 6.5 in thier right now! they just need to be replaced because the foam surrond has been destroyed by the sun. so would it be better to by another set of shallow mount 6.5's ?
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Old Jul 23, 2005 | 12:41 AM
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
where do you have them mounted? the dash? where are the tweeters?
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Old Jul 23, 2005 | 12:44 AM
  #15  
3rd gen V8's Avatar
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From: Yuma, AZ
Car: 1992 camaro rs T-top
Engine: 305 ci V8 TBI
There normal speakers they have the tweeter mounted on them and they clear the dash pad without any problems.
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Old Jul 23, 2005 | 01:11 AM
  #16  
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
I'd take the kappa plates over those any day... but if you want better stereo separation and overall higher quality, go with kappa perfect 6.5" components in the kickpanels.
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Old Jul 23, 2005 | 08:42 AM
  #17  
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How about not drilling at all ! run it through the firewall under the master cylinder. I have 2- 4 gauge wires plus a 8 gauge going through here. all this talk of drilling i8s a big waste of time.
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Old Jul 23, 2005 | 11:53 AM
  #18  
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
I have a hole in the firewall that is above the brake pedal, and below the master cylinder that fits my 2AWG wire... and I think it was there from the factory.
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Old Aug 1, 2005 | 10:47 PM
  #19  
maroon88iroc's Avatar
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From: mid GA
Car: 88 IROC
Engine: 305 TPI w/ l98 cam
Transmission: T5 5-speed
Axle/Gears: 3.45 posi disc 9 bolt
well thanks for the replies guys... i drilled a hole through the metal behind the passenger side kick pannel.
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Old Aug 2, 2005 | 08:11 AM
  #20  
1meanGTA's Avatar
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From: Wichita KS
Car: 1987 GTA/1998 Explorer
Engine: 355, trick flow heads, zz409 cam, 3
Transmission: 700r4, shift kit, valve body
Axle/Gears: precision 3.73's, auburn diff
im about to run some 0/1 gauge soon as it gets here. anyone tried this? problems running it under the door panel by the seat belt assembly?
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Old Aug 2, 2005 | 12:27 PM
  #21  
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
I ran 1AWG down the driver's side, and it fit... snug but it fit... for me there was a plastic conduit that ran all the way from the kickpanels to the sailpanels. My wire was so stout that I just pushed it all the way through, since there was extra space in that conduit/wire loom.

good luck, and if it comes down to it, you can always just run the wire under the car. If it's done properly, there's absolutely nothing wrong with that.
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Old Aug 2, 2005 | 10:16 PM
  #22  
maroon88iroc's Avatar
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From: mid GA
Car: 88 IROC
Engine: 305 TPI w/ l98 cam
Transmission: T5 5-speed
Axle/Gears: 3.45 posi disc 9 bolt
whew i dont know if i would want to try and run it under my car... but i ran 4 gauge wire all the way through mine and it was a b**** so 0/1 garge would suck. especially trying to hide the wire under the carpet behind the back seat.
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Old Aug 2, 2005 | 11:43 PM
  #23  
1meanGTA's Avatar
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From: Wichita KS
Car: 1987 GTA/1998 Explorer
Engine: 355, trick flow heads, zz409 cam, 3
Transmission: 700r4, shift kit, valve body
Axle/Gears: precision 3.73's, auburn diff
i had no trouble running the 4 gauge. took me a couple minutes to get it tucked in nice under the padding by the seatbelt pullback mechanism but other than that was easy. THINK i'll be ok with the 0/1 gauge, but if not i got 20 feet for 20 bucks so who cares, can sell it for more than that, and get 2 gauge.
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Old Aug 3, 2005 | 10:28 AM
  #24  
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
seriously, after you pull off the plastic runners along the driver's side, peel away the carpet... then keep peeling... I never noticed this, even AFTER I had already ran 4AWG before... I found the wire loom/conduit when I decided to run 1AWG and it was a ***-send.
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Old Aug 14, 2005 | 12:27 PM
  #25  
92PurpleHazeRS's Avatar
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From: Western New York
Car: 92 Camaro RS
Engine: 3.1L V6
Transmission: 4spd automatic
I drive a 92 RS and my battery is on the drivers side and theres a hole in the firewall right behind my brake pedal from the factory.Thats where my wires came in thru.



~Bob
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Old Aug 14, 2005 | 12:29 PM
  #26  
ScrapMaker's Avatar
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From: Austin, Texas
Car: 2000 Trans Am WS6 (Black)
Engine: LS1
Transmission: 4L60E
same here on my firebird... you just have to watch the power wire and make sure it doesn't get pinched by the steering column...
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