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Posted

I am fitting a light bar to my 2020 GMC Sierra 3500 HD and want to pass the switch wire through the firewall into the drivers compartment... I cannot find a 'plugged up' hole that I can use to pass through and I do not want to drill the firewall as there are plenty of wires behind. Has anybody got any suggestions? Thanks

Posted (edited)

Read the instructions for the upfitter switch kit. It identifies pass through locations around the steering shaft. 
 

 

Edited by Another JR

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