Revolver Plug Wiring
Here's one for a standard cluster:
http://70duster440.com/DashHarness70 Page 2 and 3.PDF
And...
Dark Blue w/tracer = Ign-on, +12v
Dark Blue = Fuel sender
Violet = Temp Sender
Orange = Instrument Lights
Red = High Beam Indicator
Light Green = Left Turn Indicator
Tan = Right Turn Indicator
Black = Brake light (ground)
Gray = Oil Light (ground) or to sender