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just purchased a whelen edge 9000 with strobe lights from my fire chief and I am wanting to install it on my new truck an 2009 Chevy Silverado ltz i want to know how i can run the cable. The light is on a head ache rack so i don't want to drill a hole in the roof or the 3rd brake light,and second would be the switch box i found a picture on line on the placement of it Name: Thread_ 2007 Chevy Silverado Crew Cab LTZ Z71 with videos Update 11_29 ___.jpg Views: 20 Size: 21.2 KB. Who makes it. My truck has the same center console
 

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just purchased a whelen edge 9000 with strobe lights from my fire chief and I am wanting to install it on my new truck an 2009 Chevy Silverado ltz i want to know how i can run the cable. The light is on a head ache rack so i don't want to drill a hole in the roof or the 3rd brake light,and second would be the switch box i found a picture on line on the placement of it Name: Thread_ 2007 Chevy Silverado Crew Cab LTZ Z71 with videos Update 11_29 ___.jpg Views: 20 Size: 21.2 KB. Who makes it. My truck has the same center console
this is what happened to my old truck ryan's truck accident picture.jpg
 

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just purchased a whelen edge 9000 with strobe lights from my fire chief and I am wanting to install it on my new truck an 2009 Chevy Silverado ltz i want to know how i can run the cable. The light is on a head ache rack so i don't want to drill a hole in the roof or the 3rd brake light,and second would be the switch box i found a picture on line on the placement of it Name: Thread_ 2007 Chevy Silverado Crew Cab LTZ Z71 with videos Update 11_29 ___.jpg Views: 20 Size: 21.2 KB. Who makes it. My truck has the same center console
I've installed many. Pull the seats that are in your way. Run the wires under the interior flooring (rug) to the rear. Find a good place and and Drill / etc through the floor. Rubber grommet etc
 

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For the cable, would use Delphi grommet part number 12084971. It's what I used when I installed a backup camera on my 2011 Silverado LTZ.
I drilled thru the firewall same place the factory uses. There is a dimple stamped in the firewall.
 

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I've always run the wires for my strobes down the headache rack, up the frame, thru an existing hole in the firewall, and to a switch on the dash or headliner. It takes more wire but it saves drilling or pulling seats and carpet. If you take a little more time and effort, you can even add the strobe wire to an existing wire bundle in your wiring harness to make it look like a original option.

This method also works well with antenna cables.
 
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