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How to protect power wires..no grommet.


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Hello everyone..first post.. I drilled a ugly hole thru my firewall due to limited space so I can't use a grommet as the hole is not circular. I'm running a 4/0 and 2/0 thru the hole. How can I protect the wires from the metal edges? I thinking something to wrap around the wires where they pass thru the hole.

1999 Toyota Camry CE

 

This a very hard car to install in and modify.

Everything is minimal! I'm so happy that I was able

to run 4/0, 2/0 and 4 gauge welding cable and my

carpet and trim still fit..barely. Whatever future system

I have in this car will have to work with this wiring. I ain't

running no more wires! :)

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Depending how big the hole is, you could put a layer or two of duct tape over the metal...

But why wouldn't you just run that big huge wire under the vehicle instead of through the firewall? 

2011 Chevy Silverado under construction

My build log here. Check it out! 

 

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9 minutes ago, Dafaseles said:

Depending how big the hole is, you could put a layer or two of duct tape over the metal...

But why wouldn't you just run that big huge wire under the vehicle instead of through the firewall? 

I was thinking that there had to be a better option than duct tape..some kind of tape maybe..but not duct tape. I just don't like the idea of the wire being under the car..streets are too raggedy here anyway.

1999 Toyota Camry CE

 

This a very hard car to install in and modify.

Everything is minimal! I'm so happy that I was able

to run 4/0, 2/0 and 4 gauge welding cable and my

carpet and trim still fit..barely. Whatever future system

I have in this car will have to work with this wiring. I ain't

running no more wires! :)

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I live in California, streets don't get more raggedy than the bay area lol. I'm going to run my wires under the vehicle and just protect them in a plastic sleeve. 

But if you don't like duct tape, any kind if thick tape. Tessa tape might work, but it might rip. Gorilla tape is thick. Just something thick that will stick to the metal and not the wire

2011 Chevy Silverado under construction

My build log here. Check it out! 

 

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I'm in New Orleans..came back home after over 20 years and drove back into the same pot holes from before..lol. I just watched a video of a guy running wire under his car. Still not crazy about the idea. You know what..the Gorilla tape looks promising. Thanks for your replies.

1999 Toyota Camry CE

 

This a very hard car to install in and modify.

Everything is minimal! I'm so happy that I was able

to run 4/0, 2/0 and 4 gauge welding cable and my

carpet and trim still fit..barely. Whatever future system

I have in this car will have to work with this wiring. I ain't

running no more wires! :)

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Share on other sites

Will do..with pics.

1999 Toyota Camry CE

 

This a very hard car to install in and modify.

Everything is minimal! I'm so happy that I was able

to run 4/0, 2/0 and 4 gauge welding cable and my

carpet and trim still fit..barely. Whatever future system

I have in this car will have to work with this wiring. I ain't

running no more wires! :)

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Share on other sites

put the grommet on the wire... use silicone caulking to hold the grommet in the hole, just a thought.

2015 Honda Civic LX 4dr | 24k miles

Stock H/U and mids/highs

Power Acoustik GW3-12" D2 Sub

HiFonics BXX1200.1D @ 1ohm

Random 2.5^3' dual ported box

NVX LOC

Stinger wiring throughout 

 

1977 Chevy SWB

Cammed 350

Dual exhaust

Cheap Wish stereo

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10 hours ago, EricM9104 said:

put the grommet on the wire... use silicone caulking to hold the grommet in the hole, just a thought.

This is what it looks like. It was 2 holes..a larger and a smaller that have become 1 hole. I'm thinking put the Gorilla tape around the hole edges and around the wires itself, then use silicone to seal it. It won't be pretty,but.. Thanks for the reply. 

Screenshot_20210119-104709_F-Stop.jpg

1999 Toyota Camry CE

 

This a very hard car to install in and modify.

Everything is minimal! I'm so happy that I was able

to run 4/0, 2/0 and 4 gauge welding cable and my

carpet and trim still fit..barely. Whatever future system

I have in this car will have to work with this wiring. I ain't

running no more wires! :)

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Here's what I did. Gorilla taped the firewall hole. You can't see it very well.

2.thumb.jpg.396ecd550782bafe4f8369f452ae9f21.jpg

 

 

Had to drill this out under my seat to run the 4/0.

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Wrapped the 4/0 in Gorilla tape where it will pass thru under the seat and thru the firewall.

5.thumb.jpg.e2a141279b144f4a4dd2212f32598065.jpg

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The 2/0 and 4 gauge can squeeze along the running board area.

7.thumb.jpg.c40022bb89d9a905b780d49c1f79bd80.jpg

 

 

Just wanted to show my SMD fuse holder(got the distribution block also) and my big 3..small stuff to yall big dawgs.😊 I think the Gorilla tape will fare well. Btw, where do you add your signature as far as car and system..I can't find it.

8.thumb.jpg.66ebbc60d477af490e0c116ca0c3b1cd.jpg

9.thumb.jpg.00a366caefb6078d84e1ed5963ff7324.jpg

1999 Toyota Camry CE

 

This a very hard car to install in and modify.

Everything is minimal! I'm so happy that I was able

to run 4/0, 2/0 and 4 gauge welding cable and my

carpet and trim still fit..barely. Whatever future system

I have in this car will have to work with this wiring. I ain't

running no more wires! :)

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