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Discussion Starter · #1 ·
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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Discussion Starter · #3 ·
Thanks for the information. I will have a look. Just got the trailer wired up now its time to tackle the truck.

Kevin
Calgary
 

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Discussion Starter · #4 ·
I looked in that area and could not see any grommet so I drilled a hole and it has worked out fine.

Thanks for the help

Kevin
Calgary, Alberta
 
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