I use this one for the heater https://www.superbrightleds.com/mor...-bulb-1-led-miniature-wedge-retrofit-car/197/Ok so these bulbs for the cluster
https://www.superbrightleds.com/mor...tower-miniature-wedge-retrofit-car/1728/4112/
What bulb did you use to light up the heater a/c controls?