programmer defuels and virtually shuts down the power delivery. leaving me with a almost powerless tow vehicle. The dash board outlook management thingee turns on and off whenever it wants (defective). The company never helped me with these problems. it was difficult to get anyone on the phone. bottom line... The $1000 i spent for the products didn't as disclosed. i have since removed them. Dont buy anything from them. They dont care about you. read full review »