Where to run heavier ga wire thru the firewall? - Page 2 - Toyota FJ Cruiser Forum
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post #11 of 19 (permalink) Old 09-24-2013, 09:02 AM
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Re: Where to run heavier ga wire thru the firewall?

My 710 is mounted on the dash. I Velcro'd the factory mount and ran the cable through the dash and out under the gauge cluster. Had to make a relief in the base of the cluster.

The transceiver is mounted under the drivers seat on a homemade bracket.

Still not 100% on where the mic will end up. Right now it rests in the front cup holder.

Yes it blocked the compass, but I can turn on the GPS and get compass readings from the radio.








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post #12 of 19 (permalink) Old 06-13-2014, 07:54 AM
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Re: Where to run heavier ga wire thru the firewall?

Quote:
Mikeys_FJ previously said: View Post
The boot on the passenger side behind the glove box is pretty big. I have a couple smaller wires going through there but you could run a much larger wire through that baby.

Isn't that black small plug next to where you ran your wires a rubber firewall gromet that toyota installed in case someonewants to run wires and all we have to do is make a slit in it? Just curious as it serves no other function does it??

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post #13 of 19 (permalink) Old 06-13-2014, 06:47 PM
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Re: Where to run heavier ga wire thru the firewall?

Quote:
shopsaw previously said: View Post
Try the firewall bulkhead boot on the passengers side (~3" rubber, below the hood hinge). This is the same one that has the rear windshield washer hose, and is outboard of the larger boot that carries an electrical bundle.

This is where I ran my 8ga. for my TM-710 and other needs. Hope this helps!
Its a good way inside.
I ran...
1) 2ga for amp
1) 6ga for rear distribution fuse panel, radios and chargers
1) 8 conductor belden HD rotor wire for my relays to switches control lead
4) 14ga for relay to roof lighting
1) 14/2 for rear bumper lighting

All through that rubber boot


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post #14 of 19 (permalink) Old 06-23-2014, 08:39 PM
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Re: Where to run heavier ga wire thru the firewall?

Quote:
DX FJC previously said: View Post
Its a good way inside.
I ran...
1) 2ga for amp
1) 6ga for rear distribution fuse panel, radios and chargers
1) 8 conductor belden HD rotor wire for my relays to switches control lead
4) 14ga for relay to roof lighting
1) 14/2 for rear bumper lighting

All through that rubber boot


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Yup, I ran (2) 2ga cables through the drivers side grommet along with several 10ga wires without issue.
The FJC is very forgiving when it comes to running cables!

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post #15 of 19 (permalink) Old 07-01-2014, 04:43 PM
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Re: Where to run heavier ga wire thru the firewall?

Quote:
FJ&TJ_Dude previously said: View Post
Isn't that black small plug next to where you ran your wires a rubber firewall gromet that toyota installed in case someonewants to run wires and all we have to do is make a slit in it? Just curious as it serves no other function does it??
Yes indeed it is.

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post #16 of 19 (permalink) Old 07-02-2014, 04:17 PM
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Re: Where to run heavier ga wire thru the firewall?

One of the most perfect places to run heavy gauge into the cab. Drill a new hole and install a gland nut appropriately sized for the wire. 1/0 AWG for 2 Alpine PDX amps.


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post #17 of 19 (permalink) Old 07-02-2014, 04:23 PM
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Re: Where to run heavier ga wire thru the firewall?

Dennis, as always, FIRST CLASS all the way.
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post #18 of 19 (permalink) Old 07-02-2014, 05:25 PM
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Re: Where to run heavier ga wire thru the firewall?

Quote:
rotorhed1 previously said: View Post
I ran many wires thru a boot on the drivers side. It has a large bundle of wires and the hood release cable running thru it. I stuck a straightened coat hanger thru from the engine side with the new wires and pulled it thru.
^

I did the exact same thing !!!
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post #19 of 19 (permalink) Old 07-02-2014, 05:28 PM
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Re: Where to run heavier ga wire thru the firewall?

Quote:
Dennx previously said: View Post
One of the most perfect places to run heavy gauge into the cab. Drill a new hole and install a gland nut appropriately sized for the wire. 1/0 AWG for 2 Alpine PDX amps.
^

This is how I ran both Power and Ground into the cab for power distribution !!!
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