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Getting through the GD3's firewall?

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Old 11-27-2010, 12:10 PM
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Getting through the GD3's firewall?

I've looked for answers but haven't found them searching the forums. What's the easiest and most tasteful way to get a power wire through the GD3's firewall? I'd like to avoid voiding any warranties and HOPED to avoid just drilling a new hole. I've seen a few pictures where extensive cutting near to critical stuff was involved. I'm trying to minimize damage. Any help would be appreciated. I'm hoping to run a 4-8 gauge wire through to the battery.
 
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Old 11-27-2010, 01:46 PM
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theres a plug on the firewall where the main harness comes through. remove that grommit and run it through there. (passenger side)
 
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Old 11-27-2010, 02:36 PM
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side?

Which side do I attack it from, the engine compartment or under the dash? Does it push through or is cutting required? Thanks for the response. I just prefer a little knowledge before I dive in!
 
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Old 11-27-2010, 05:32 PM
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I found it was easier from the inside of the car. U dont have to cut anything.
 
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Old 11-27-2010, 09:43 PM
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Thanks

Thanks for the info. I'm planning on a subwoofer in the passenger side rear corner so I guess I'll run the power wire along the passenger side door sills. Thanks again for the help. I'll get in there tomorrow and look for the grommet. I hate being on my back so at least help on where to start will save some pain (literally).
 
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Old 11-27-2010, 11:10 PM
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I drilled a hole in the knockout where the clutch would be (mine is an auto). Snap in grommet and all is well!!
Comes out right behind the battery, I ran a 4ga to my amp from there. GLW the install.
Mike
 

Last edited by Perrenoud Fit; 11-27-2010 at 11:13 PM.
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Old 11-28-2010, 12:12 AM
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stick

mine's a manual, of which I'm quite fond, so that's not an option. Thanks for the input. Any other options would be appreciated!
 
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Old 11-29-2010, 10:16 PM
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blower removal?

Originally Posted by JDMchris.com
I found it was easier from the inside of the car. U dont have to cut anything.
Did you remove the blower? It seems to block access to everything. I see massive bundles of wires running behind it.
 
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Old 11-29-2010, 10:46 PM
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Sometimes all you can do is to get something done is to make a decision as to where you can drill a whole and wish for the best.... You know, like Haliburton did for British Petroleum.
 
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Old 11-30-2010, 12:50 AM
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Originally Posted by Texas Coyote
Sometimes all you can do is to get something done is to make a decision as to where you can drill a whole and wish for the best.... You know, like Haliburton did for British Petroleum.
I'd laugh if it wasn't so sad.

If things are cramped down in the footwells, as they usually are, use an unfolded coathanger or some fishtape and push that sucker through the grommet (gently) then find the hanger in the engine bay, tape the wire to the hanger and pull it back through.
 
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Old 11-30-2010, 01:03 AM
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Originally Posted by feddup
Did you remove the blower? It seems to block access to everything. I see massive bundles of wires running behind it.

I ran a amp on my beater fit, not the SC'd one.
 
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Old 11-30-2010, 02:28 AM
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There's also one on the driver side that's easy to get to from inside the car. It's not visible from the engine bay since the strut tower hide it.
 
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Old 12-31-2010, 09:37 PM
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thanks

Originally Posted by Fitting
There's also one on the driver side that's easy to get to from inside the car. It's not visible from the engine bay since the strut tower hide it.
Thanks for the help. I installed the Basslink today. I thought getting through the firewall would be the hardest part. I got through in five minutes using the driver's side grommet. Wiring the rest and making everything look OEM took a lot longer. Thanks again!
 
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Old 01-02-2011, 11:57 AM
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Originally Posted by Fitting
There's also one on the driver side that's easy to get to from inside the car. It's not visible from the engine bay since the strut tower hide it.
i used this spot yesterday for fog light wires. easiest place i could find
 
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Old 06-27-2020, 09:36 AM
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Originally Posted by Perrenoud Fit
I drilled a hole in the knockout where the clutch would be (mine is an auto). Snap in grommet and all is well!!
Comes out right behind the battery, I ran a 4ga to my amp from there. GLW the install.
Mike
100% SUPER EASY... I wasted hours trying to figure out the right way to go though the firewall.... drilling through the clutch pedal location (if you have an automatic) is perfect. Thanks for the help.
 
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