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best way through firewall


davedog

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Hey!

i'm considering installing an amp and some subs in my truck....

got it all figured out but where to run the 4 gauge power wire. I need to know where i could easily get it through the firewall, preferably on the passanger side (because it's the same side as the battery).

I have a 1992 Eldorado Touring Coup.

THANKS ALL!

-dave

Crystal Red Tintcoat Exterior | Shale/Brownstone Interior | 32k

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Not to sure about passenger side, but I ran mine from the battery up around the motor and down by the brake pedal there was an opening from the firewall.

"Cadillac, it's not a car, it's an obsession"

-W.Kingdon

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I ran my 4 gage wire on the passenger side through the floor and then up the engine by my condenser and to the battery. I couldn't find any place on my firewall that didn't result in turning my hands into hamburger.

1994 STS Pearl White 260,000 KM (163,000 miles)

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ha ha

yeh, make your own hole where you want it. look for a place closer to the bottom of the passenger side engine bay. use a rubber gromet tho, so you don't ground out!

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Where there's a harness going in on the pass. side, below that you have a good 3"x3" square area to work with. I had to pull the a lot of stuff out from behind the dash, but once you get it out it's quite spacious in there to get a drill in. And yeh, rubber gromet...use it.

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I just installed a subwoofer in my 90Seville today and ran the wire thru the firewall where the hood release cable goes thru. I poked a hanger from the engine side, then taped the wire to the hanger and pulled it thru. Pretty simple. I then ran the wire across the back side of the strut tower brace, then along the fender straight to the battery.

Jeff

Jeff

98 Concours

90 Seville

04 Corvette

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