You don't have the fans enabled in the PCM is what it sounds like to me. The trucks that were fit with water pump driven fans don't have the option turned on to control the electric fans through the PCM.
You don't have the fans enabled in the PCM is what it sounds like to me. The trucks that were fit with water pump driven fans don't have the option turned on to control the electric fans through the PCM.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709