Trying to figure out what kind of bulbs are used to backlight my automatic transfer case switch for my 1999 Chevy Suburban. It is the two white bulbs that make the words 2hi, 4hi, 4lo, and 4wd light up, not the 4 that light up orange next to the lights. I want to solder in 2 blue ones in place of the white ones. I saw on this forum thread https://www.tahoeyukonforum.com/threads/complete-lighting-led-list.1352/page-9 that a guy said 74s will work. I took a picture of a 74 bulb next to one of the bulbs and it is clearly not the same size. I want to get the same size bulb. Anyone know what bulb size that is? Don't want to go through all the trouble soldering in new bulbs that aren't the same size.
