The black/grey will go the the stop switch on the firewall
The other wires should go the way You described above
just traced down the signal-stat wires, here's the wires on the signal-stat and what they are wired to:
blue wire- flahser
yellow wire- flasher
red wire- right front turn signal
grey wire- left rear turn signal
green wire- left front turn signal
black wire- right rear turn signal
Black/grey to stop switch
