Tbh whatever I can in the rear like I did to the tt as theyll be a lot brighter then.
I'm in the process of engineering a holder up
I bought the some red led bulbs in error but glad I did and I also have some cree led bulbs in white but not sure if they will throw a dash light on?
All done and they do work in single filament holders after all.
Just rigged it's together with two gold plated spade connectors and some wire as I wanted to test this myself.
Before
After although it's the reverse light