This is how the wires were hooked up in my 71.
DECSCRIPTION****** DASH HARNESS
GND****** BLACK
DASH LIGHTS****** GREY
GEN LIGHT (12V IGN)****** DARK BROWN
OIL LIGHT****** BLUE W/ WHITE STRIPE
FUEL SENDER****** BROWN W/ BLK STRIPE
12V IGN****** PINK
E BRAKE****** LIGHT BROWN
LEFT BLINKER****** LIGHT BLUE
HIGH BEAM****** LIGHT GREEN
RIGHT BLINKER****** DARK BLUE
TEMP LIGHT****** DARK GREEN