Xjs 1991 install mechanical gages instead trip computer

[Sergey (Sergey Gusev)]

I want to put mechanical gages instead trip computer how to get through dashboard to engine bay???
Like in the photo thank you Bob;)

[BobPhx (Bob Brackney - 89 XJS V12, 5 sp/Marelli | 2013 XKR)]

Replied in other thread with the solution I used…