I looked around for a how-to video about this but nothing came up, so here it is.
It took me many trial and errors to get it install for the first of the two locks. Particularly, the lock cylinder is really difficult to pull out if you make mistakes.
I show you how to gradually go one step at a time to make sure you wont end up in the situations I was in.
Thia is the lock
Cannon Electric Downrigger Lock (Silver) a.co/d/byIftxU
This is the base.
Cannon Universal Base (Magnum, Digi-Troll, Uni-Troll and Easi-Troll Models) a.co/d/diJOpwT