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I am looking to install a brake controller in my 2002 Sonoma and have to run some electrical through the firewall.

Does anybody know the easiest point on the firewall to do this?

Thank you
Kevin
Calgary, Alberta
 

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If you look to the right and down a bit of the master cylinder when standing in front of the truck there should be a hole there already with a grommet in it, if not that is a good spot as it is in the footwell of the drivers side behind the brake pedal, just triple check your measurements before you drill. this is where I always run my wires for aux lighting and stereo
 
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