Table 1 shows 15 common electrical system related problems of the 2003 Ford F-150. The number one most common problem is related to the electrical system (22 problems). The second most common problem is related to the wiring (four problems).
Our truck has been great but we have a major problem. It is leaking water when it rains. Getting front floor carpet wet and now it is getting the fuse box wet and causing electrical systems to not work. Like today the odometer won't light up. Also dripping from top of windshield. Read details...
The contact owns a 2003 Ford F-150. While driving various speeds, the wiring harness burned. The vehicle was taken to the dealer where it was determined that there were un-remedied recalls on the vehicle, and the wiring harness failed and needed to be replaced. The vehicle was not repaired. Read details...
Was heavy rain outside then my truck started blowing the horn, heater was turning on and off, lights going on and off by them selves. Figured its part of the issue with the windshield issue Ford knows about since 2002. Read details...