- Lessen trim has a 7mm screw and T20 screw. Remove and pull down challenging. Not required to take out lower trim for 2018's. #1 I have a 2017 mustang gt quality handbook. I’m setting up on wiring up the digital dash to my car, I realize it’s not a https://buymagicmushroomkit50001.theideasblog.com/32376650/a-review-of-mustang-digital-speedometer