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Discussion Starter · #1 ·
Trying to install an emergency radio in the glove box. Whats the easiest way to get from the battery to the glove box without having tons of exposed wire? I know about the spot above the brake pedal but I think I would need a jack to get under there. There are two rubber plugs at the top of the air filter box. Would either of those work?
 

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1999 30th Anniversary Legacy Outback DOHC 2.5L 4EAT, 2008 Impreza WRX 2.5L 5MT, 2008 Impreza Wagon 2.5L 4EAT
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Would it be easier to go to the fuse box to find a hot source of 12V?
 

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2002 3.0 VDC Wag + 2018 2.5 Leg Ltd
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Discussion Starter · #4 ·
Would it be easier to go to the fuse box to find a hot source of 12V?
If I understand you correctly, I tried pulling up the fuse box in the engine bay but the wires were too short to really get a look underneath (maybe I didn't pull hard enough?). However, that still doesn't solve the problem of getting thru the firewall. Also the installation manual (altho old) says to wire directly to the battery due to the high power draw.
 

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Onyx, 2008 LL Bean 3.0R and 2017 Honda Civic Hatchback Sport Touring
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There is a diamond shaped rubber "plug" about 2.5" wide in the firewall on the driver's side. You can remove that, cut a small hole in it and pass the wire through there then reinstall it. It is easier to feed the wire if you remove the plug first. It comes into the car just above the gas pedal. I used it to run power to my subwoofer on my old Gen 2. Then run the wire behind the center of the dash and into the back of the glove box. You will have to disassemble some interior panels, but it sounds like you are up to that, and there are directions on this site on how to do that as well.
 

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1999 30th Anniversary Legacy Outback DOHC 2.5L 4EAT, 2008 Impreza WRX 2.5L 5MT, 2008 Impreza Wagon 2.5L 4EAT
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If I understand you correctly, I tried pulling up the fuse box in the engine bay but the wires were too short to really get a look underneath (maybe I didn't pull hard enough?). However, that still doesn't solve the problem of getting thru the firewall. Also the installation manual (altho old) says to wire directly to the battery due to the high power draw.
I was thinking of the fuse box in the cabin below the drivers knee?
 

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Discussion Starter · #7 ·
There is a diamond shaped rubber "plug" about 2.5" wide in the firewall on the driver's side. You can remove that, cut a small hole in it and pass the wire through there then reinstall it. It is easier to feed the wire if you remove the plug first. It comes into the car just above the gas pedal. I used it to run power to my subwoofer on my old Gen 2. Then run the wire behind the center of the dash and into the back of the glove box. You will have to disassemble some interior panels, but it sounds like you are up to that, and there are directions on this site on how to do that as well.
Oh is that the one everyone mentions? I thought it was below the brake cylinder which is why I didn't think I could get to it without a jack. Thanks!
 

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The easiest way is to go through the hole that is next to the brake booster. There is a round rubber plug, that leads to the pedals.
You do not have to disassemble anything, because it is accessible from inside and outside without a problem.
 

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2018 Outback Limited 2.5i, "Wanderlust II"
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The easiest way is to go through the hole that is next to the brake booster. There is a round rubber plug, that leads to the pedals.
You do not have to disassemble anything, because it is accessible from inside and outside without a problem.
Yep; that's the grommet I used to get the battery hot wires for my roof lights & subwoofer amp into the cabin. Easy-peasy.
 
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