Morgan
Full Access Member
I used a harness from Boosted Grey Goose Designs to enable switched 12v power to the mirror lights overriding the speed restriction. Works great. I'd provide the link, but his site is undergoing maintenance. I think the harness was $70, and required no wire cutting/ tapping, etc.
Boosted GreyGoose Designs
Custom wiring solutions to add oem upgrades. Ford F-150
www.boostedgreygoosedesigns.net