94 z28 wiring

i know this is not in the right section but it is getting dark and i am in the process of putting an aftermarket headunit in a 94 z28 with the bose system i need to figure out which wire is the amp wire on the bose wiring harness. any help is appreciated

Power antenna wire on the aftermarket GM adapter :)

Or the PINK wire in the C1 connector slot :)