BTW - Not to try and detract by backtracking a bit, but did you/have you considered inverting your "wire chase" so the bundled cable runs on the underside of the column? Might look just a smidge less conspicuous if you know what I mean.
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)