power location for a cd changer?

From : chris c

Q: i just bought a 98 1500. first dodge and what an awesome truck! so im a newbie. my question is..i got a jvc 12 disc cd changer laying around. the ends of the batterymemoryand ground wires out of the rf unit are cut at the ends and i dont know where to attach them to. the manual says to connect them to an accesory part of the fuse block so i looked at the fuse block and i couldnt see anyway to connect them. could someone explain how and where to attach the wires thanx chris 98 1500 4x4 5.2 cc sb no mods yet .