As you'll typically only be using the switch for a few seconds, 15A is fine. The 20A fuse is for power to the dash trim control buttons, and any others that use the solenoids, like my (and Bondo's) transom mounted switches.
If you're looking for exactly what I used.... -> https://www.aliexpress.com/item/EE-s...3e154c4ddCXXDi
I use these because they come with the water-proof boot for the lever. Just be aware that they are a lot of 3 switches. I wanted 4 (as I have other boats I'll be doing this to), so ordered 4... I received 12 switches... Friends come over, I offer them a switch as a parting gift....
Chris.......
Sounds like I should book a trip down under to get myself a free switch!