How to run amp power wire - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

drz400dude · 12-12-2016, 01:53 PM

I'm moving my system from my truck to my frs. Just wondering what the best way would be to rub the power wire from the battery to trunk would be. I didn't see any way place to poke it through the firewall?

Impureclient · 12-12-2016, 01:58 PM

To the left of the battery is a large rubber grommet on the firewall. The power wire will slide in easy right besides that wire loom.

drz400dude · 12-12-2016, 02:01 PM

Quote:

Originally Posted by Impureclient

To the left of the battery is a large rubber grommet on the firewall. The power wire will slide in easy right besides that wire loom.

I saw that, but where does it come in? It was dark when I looked so I couldn't see hardly. Is it just behind the firewall mat?

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Impureclient · 12-12-2016, 02:03 PM

If you look under the glovebox, you'll see where it comes in.

Leonardo · 12-12-2016, 02:26 PM

I took out the sound tube generator thingy. Added a grommet in the hole for the sound generator, and stuck my 2awg power wire through it. I ran it on the same side as the battery to get the shortest run. (better for DC power)

drz400dude · 12-12-2016, 07:11 PM

Quote:

Originally Posted by Impureclient

If you look under the glovebox, you'll see where it comes in.

Thanks! That worked.

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Roadcone · 02-07-2017, 03:05 PM

are you guys just running it under the carpet? what all did you pull up and where did you run your power wire down the car?

gramicci101 · 02-07-2017, 03:07 PM

My power wire was small, so I took up the door sill and ran it under that, then fished it under the carpet and back seat into the trunk.

Eman · 02-07-2017, 04:07 PM

OEM Audio plus has some good videos going over their installation. Even if you aren't installing one of their systems it's a good resource for wire routing.
Eman

Here2rock · 08-10-2022, 09:30 PM

I am trying to the wire for an Amp, rather than going through the firewall just wondering whether I can use the black little holes as highlighted in the picture below.

https://www.mediafire.com/view/7fpgr...63342.jpg/file

https://www.mediafire.com/view/x94x4...63252.jpg/file

https://www.mediafire.com/view/h3t8w...63243.jpg/file

soundman98 · 08-11-2022, 07:36 PM

it just depends on what's on the other side of them

Here2rock · 08-11-2022, 09:09 PM

Quote:

Originally Posted by soundman98

it just depends on what's on the other side of them

I might have to remove the carpet and some trimmings on the weekend to see where it leads to inside. I was hoping that someone may already have an answer.

soundman98 · 08-11-2022, 09:16 PM

i just used the wiring harness grommet underneath the battery

Here2rock · 08-12-2022, 06:06 AM

Quote:

Originally Posted by soundman98

i just used the wiring harness grommet underneath the battery

That is also an option, not the cleanest but a standard option.

02-07-2017, 03:05 PM	#7
Roadcone StreetKart Join Date: Jul 2013 Drives: 2014 Scion FR-S Monogram Location: Upstate, SC Posts: 477 Thanks: 43 Thanked 180 Times in 111 Posts Mentioned: 10 Post(s) Tagged: 1 Thread(s)	are you guys just running it under the carpet? what all did you pull up and where did you run your power wire down the car? __________________ TRD\|Verus Engineering\|Titan7\|DEZOD Motorsports\|JDL Auto Design

08-11-2022, 07:36 PM	#11
soundman98 ProCrastinationConsultant Join Date: Sep 2013 Drives: '14 Ranger, '18 Tacoma 4Dr LB Location: chicago-ish Posts: 11,330 Thanks: 35,240 Thanked 13,673 Times in 6,781 Posts Mentioned: 98 Post(s) Tagged: 0 Thread(s)	it just depends on what's on the other side of them __________________ "The time you enjoy wasting is not wasted time"

08-11-2022, 09:16 PM	#13
soundman98 ProCrastinationConsultant Join Date: Sep 2013 Drives: '14 Ranger, '18 Tacoma 4Dr LB Location: chicago-ish Posts: 11,330 Thanks: 35,240 Thanked 13,673 Times in 6,781 Posts Mentioned: 98 Post(s) Tagged: 0 Thread(s)	i just used the wiring harness grommet underneath the battery __________________ "The time you enjoy wasting is not wasted time"

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12-12-2016, 01:58 PM	#2
Impureclient Banned Join Date: May 2015 Drives: 2015 FR-S Location: NPR, Florida Posts: 2,404 Thanks: 1,802 Thanked 2,903 Times in 1,282 Posts Mentioned: 25 Post(s) Tagged: 2 Thread(s)	To the left of the battery is a large rubber grommet on the firewall. The power wire will slide in easy right besides that wire loom.

12-12-2016, 02:03 PM	#4
Impureclient Banned Join Date: May 2015 Drives: 2015 FR-S Location: NPR, Florida Posts: 2,404 Thanks: 1,802 Thanked 2,903 Times in 1,282 Posts Mentioned: 25 Post(s) Tagged: 2 Thread(s)	If you look under the glovebox, you'll see where it comes in.

12-12-2016, 02:26 PM	#5
Leonardo Country Boy 4 Life Join Date: Jul 2012 Drives: 19' & 06' Ridgelines, 13' FR-S Location: EUGENE Posts: 5,228 Thanks: 6,719 Thanked 5,291 Times in 2,720 Posts Mentioned: 47 Post(s) Tagged: 1 Thread(s)	I took out the sound tube generator thingy. Added a grommet in the hole for the sound generator, and stuck my 2awg power wire through it. I ran it on the same side as the battery to get the shortest run. (better for DC power)

02-07-2017, 03:07 PM	#8
gramicci101 Off Topic Join Date: Feb 2014 Drives: 2014 Subaru BRZ Limited Location: Vegas, baby! Posts: 4,610 Thanks: 2,369 Thanked 4,243 Times in 2,170 Posts Mentioned: 43 Post(s) Tagged: 3 Thread(s)	My power wire was small, so I took up the door sill and ran it under that, then fished it under the carpet and back seat into the trunk.

02-07-2017, 04:07 PM	#9
Eman Member Join Date: Jan 2017 Drives: 2013 Scion FR-S 10 series Location: Sonoma CA Posts: 69 Thanks: 20 Thanked 40 Times in 25 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	OEM Audio plus has some good videos going over their installation. Even if you aren't installing one of their systems it's a good resource for wire routing. Eman

08-10-2022, 09:30 PM	#10
Here2rock Member Join Date: Oct 2015 Drives: 86 GTS Location: Sydney Posts: 76 Thanks: 24 Thanked 6 Times in 4 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I am trying to the wire for an Amp, rather than going through the firewall just wondering whether I can use the black little holes as highlighted in the picture below. https://www.mediafire.com/view/7fpgr...63342.jpg/file https://www.mediafire.com/view/x94x4...63252.jpg/file https://www.mediafire.com/view/h3t8w...63243.jpg/file

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