tail light outs help

[american revolution]

night time driving tail lights out....brake lights work...head lights work...looked at fuse box and all the fuses are fine...but some of them have no fuses and i can't read what its for.....writing faded out..

anyone with a fuse box diagram for the fuse box?

have the manual and it doesn't really show it.

any help would be appreciated.

its an 80 blazer