So I purchased a 2004 F350 last weekend and the dash lights, AC control lights, and the overhead fuel mileage indicator did not work. I pulled the plastic dash trim out and noticed that the dimmer switch was disconnected. I reconnected it and everything started working. I stumbled upon the original owner and he asked me if the dealership fixed the light issue and I told him not that I was aware of but I did find the plug disconnected. He said he did that due to the fact that it blows fuses while driving. He said that sometimes he could go through 3 fuses in just a few minutes, then other times it would be fine for a while. Any help with this issue is greatly appreciated.