i am putting a covan dash in my 70, and not sure which wires are what off the back of the gauge-their is a black wire, pink wire, and tan wire
my guess is the pink is +12v, the black is gnd, and the tan might go to the sending unit-is that right
thanks

my guess is the pink is +12v, the black is gnd, and the tan might go to the sending unit-is that right
thanks

Correct.