So check out this picture.
LX = older Challenger.
LD = Charger
LA = newer Challenger.
I imagine your instructions are either “universal” and therefore universally wrong, or they’re for a different car - the Charger.
I’m sure someone will have info for you in the morning, but if you’re trying to get it done tonight, I’d bet on 26.
Attached another pic, this is the fuse block in my old 2016 Charger. Compare it to yours and see if thats the case (See if they’re different). Sorry it’s a crappy pic, I snagged it from my trailer hitch video, lol.