Stereo & Electronics - Under dash wiring diagram help. (99 fbody)

does anybody have the underdash wiring diagram they can post or send me?
99 fbody (v8 or v6)

thanks a bunch.

For what system? HVAC, Data, IP, ect.

not sure really.

RAP wiring/routing.
interior fuse panel.
any and all relays that are under the dash really.
maybe theft det relays.
????

thanks

fwiw, i have swapped bcm's in an attempt to find out why my radio/accessory fuses are not pwrd at all.
pulled the panel out and i see the blue, brown and smaller gauge pink(or orange) wires intact, but no pwr to them, even with the key on.