I converted the interior lights on the F150 to LED's, two maps and the rear dome.
map lights,13 SMT LED 194 bulbs that come as a pair
Dome light, SUPER 6K White 36 LED dome light.
the result is amazing, best $30 i've spent.
Time to do the job was less than 10 mins
V-LEDS.COM High Power Automotive LED Replacment Bulbs, V-HID Headlight Kits