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How to get Wires through a gromit in a Mustang Fire wall

 

Silver Member
Username: Afroopuff

Post Number: 491
Registered: Jan-06
Something I have never seen before, wondering if anyone has any experience. The gromit in the firewall from the inside of the car seems to run through a channel or something of the sort, and then runs out of another gromit into the engine.

Normally, I would just pop a small hole in the gromit, and feed the wire through, but for this mustang, I am having issues. As i run the wire through, either one of the gromits, they both seem to hit a wall or something, and I am unable to feed any more of the wire through. In addition, no wire is visible through the other side.


Anyone have any experience with a 2007 Mustang?

Thanks!
 

Gold Member
Username: Southernrebel

Monroe, Louisiana 2 DD3515s, 2...

Post Number: 5939
Registered: Mar-04
Unibit fixes that everytime.
 

Gold Member
Username: Snarl2004

Digital Design 9515, Massive Audi...

Post Number: 2078
Registered: Dec-06
sry no clue but for my truck there was no openings so i jsut drilled a hole through the fire wall and put in my own gromet
 

Gold Member
Username: Jtown

Team RD, Texas

Post Number: 2159
Registered: Mar-07
you should be able to find a whole through the frame into the car somewhere, that's what I did.
 

Gold Member
Username: Nd4spd18

Northwest PA

Post Number: 6149
Registered: Jul-06
Bust out the drill........
 

Gold Member
Username: Snarl2004

Digital Design 9515, Massive Audi...

Post Number: 2082
Registered: Dec-06
a drill is your friend
 

Gold Member
Username: Big_edge_head

Milwaukee, Wisconsin MY SUBS GET ...

Post Number: 1440
Registered: Mar-07
yea i find it easier to just drill right through. make sure you know where you are drilling though.
 

Gold Member
Username: Jtown

Team RD, Texas

Post Number: 2162
Registered: Mar-07
I wonder why they call it a fire wall....:-)
make sure you fill up/cover up any excess space around the hole you're making
 

Silver Member
Username: Afroopuff

Post Number: 492
Registered: Jan-06
Fire wall because it keeps fire out....duh:-) that or virus right:-)haha
 

Silver Member
Username: Afroopuff

Post Number: 493
Registered: Jan-06
What if drilling a hole isnt an option...its a leased car!?
 

Gold Member
Username: Insearchofbass

Post Number: 7959
Registered: Jun-04
"Fire wall because it keeps fire out....duh:-) that or virus right:-)haha"

LOL
 

Gold Member
Username: Jtown

Team RD, Texas

Post Number: 2167
Registered: Mar-07
like I said, you should be able to find a hole through the frame that will come inside the car, prob behind the kickpanels
 

Gold Member
Username: Nd4spd18

Northwest PA

Post Number: 6158
Registered: Jul-06
You drill the hole somewhere not visible...... as you would want to do anyway. Then silicone it when you take the wire out, problem solved.
 

Gold Member
Username: Southernrebel

Monroe, Louisiana 2 DD3515s, 2...

Post Number: 5942
Registered: Mar-04
Then drill a small hole :-)

Or look around on the floorpan...there is prolly a grommet somewhere in it. Run the wire under the car...zip-tie it up tight to the frame.
 

Gold Member
Username: Insearchofbass

Post Number: 7962
Registered: Jun-04
I just cant get over the floor board idea haha
 

Gold Member
Username: Rideredder

Cornell, IL USA

Post Number: 1400
Registered: Sep-05
I have an '05 Mustang and I ran my wire through the grommet to the right of the battery. It's down a little bit on the firewall behind a rubber sack thing. You have to put a hole in the foam on the inside of the firewall, but don't worry, there's nothing there.

Upload
 

Gold Member
Username: Jtown

Team RD, Texas

Post Number: 2199
Registered: Mar-07
is your power wire wired to your distro?
 

Gold Member
Username: Rideredder

Cornell, IL USA

Post Number: 1402
Registered: Sep-05
No, the fuse holder is just sitting next to the fuse box. I ran the wire like that because the amp was behind the front seat. This way I could leave enough wire to run the amp to the trunk in the future.
 

Gold Member
Username: Jtown

Team RD, Texas

Post Number: 2210
Registered: Mar-07
oh, I see now, nice planning ahead
 

Gold Member
Username: Big_edge_head

Milwaukee, Wisconsin MY SUBS GET ...

Post Number: 1457
Registered: Mar-07
"What if drilling a hole isnt an option...its a leased car!?"

There is no way they would be looking under the dash up in the firewall for a little hole. lol
 

Gold Member
Username: Shortysetnies

Rock Vegas, NC US

Post Number: 2050
Registered: Mar-06
but if you are worried about it, drill it under the car and pring the power wire up from uner the seat. Thats what I did for my 1/0. Ran it under the car and through the bottom, under the seat
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