Swap outside bulb to led from amazo world.
$2.50 a unit. Not great quality but two years in and works fine for 50 bucks total.
Grv T10 921 194 24-3528 SMD LED Bulb lamp Super Bright Warm White AC/DC 12V -28V*
In fact replaced all of the bulbs less the bath vanity and shower area, less power draw and way less heat.
L'IL Foot" 2014 Sunseeker 2300
"Harry" the JK toad in the mirror