93SierraWT
Greater Made Chevy
Where is the easiest place to run the power wire for an amp through the firewall on an OBS? It's a 93 with a TBI, just thought I'd throw that out incase the holes in the firewall were different with the Vortecs.
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i ran mine along the frame and up through the cab floor, there was a hole where the storage box used to beThe PO of mine drilled a hole in the firewall on the passenger side below and to the right of the coolant reservoir and out a rubber grommet in it. Very easy place to get to under the hood and in the truck.
Ran my wire under the cab along the frame and drilled in where the amp rack is (under the rear seat) ...
In my 93 its run down the passenger side through the hole where the antennae lead goes through. You might pick up some noise on the radio though I dont use the radio in mine so that was not an issue for me.