This is going to be my first foray into wiring, so I've been trying to find a video to follow. I've just installed a Baker Built rack and the Shad 58X case, in preparation for a cross country trip later this month. Since I read a few comments that the rack could block the Spyder brake lights. I ordered the Shad brakelight kit. The information on the kit includes, "Requires tapping existing brake light wires," which I have never done.

Can anyone point me in the direction of a video or directions with pictures on how to proceed? I've done some web searches, but haven't found anything for the F3. I've got a 2017 F3-S. Thanks!