Question about 2004 GMC Sierra 1500 Crew Cab

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Where is a good place to run a power wire for my amplifier

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Run the power wire through the firewall and under the carpet to the desired location of the amplifier.

Posted on Jul 13, 2009

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Can't say I've done what your doing but have had to run cables directly to battery for power inside, and I've used boot by steering column, on firewall, as well as any other grommet in the area that has some room, and carefully made a small **** with utility knife, and fed cable through it. On occasion that no grommet or other was available, I carefully surveyed area of firewall where no wires etc, would be in line, and bought some undercoating plugs from autoparts store, drilled a hole in firewall, proper size, inserted the plug, and made small ****, and ran my cables through it. Probably don't need to say it but i will, if going direct to battery, be sure to fuse it in line properly.

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have a good day

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