67 barracuda heater wireing

[273 ball]

Hi how do you wire the heater swich to motor on a 67 cuda non ac car

 

[67Dart273]

There's a free service manual over at MyMopar along with aftermarket wiring diagrams.

The motor itself only has two wires........a ground, which I believe is brown, and the hot lead. Speeds are obtained through the switch and a resistor mounted in the duct for cooling the resistor