New to forums and diesals ..got a 97 c 3500 6.5td...crew cab dually..she's a beast..but she's sick..trying to nurse her back to health. Lol...newest prob..she WILL run with out a p.m.d. resistor..didn't have one since I bought her...I put a #9 in her today and she refused to start... took it out and she started right up..