Heater/Defrost Please Help!

[jthornton]

i have a 72 c10 and i need help with my defrost and heater controls.. can anyone show me a picture of what i need to do and what it looks like under the dash? I think im going to order the heater control box w/o ac out of lmc along with the cable set but does anyone know if thats all i need? i have the heater box so i wont need that and i saw but other than that i dont have anything else. can someone help me out.. this is one of the last things i need to do to finish my truck!!