Three problems related to wiring have been reported for the 2003 Ford Ranger. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Ford Ranger based on all problems reported for the 2003 Ranger.
On August 4th,2007 my Ford truck would not start. I had stopped at walgreens to pick up aspirin and upon returning to my truck, it would not start. As before I pushed the fuel pump reset switch. The truck did not start. So I removed the reset switch from under the dash to find it had melted and had melted the plug.
While driving north on I-17 headed to flagstaff, az, at 60+ mph, the engine on my 2003 Ford Ranger suddenly cut out without any warning. This caused me to have to navigate my vehicle from the left lane over to the right shoulder of the highway without the benefit of power steering or any engine power. Fortunately, I was able to get onto the shoulder without incident or injury. If the highway had been more crowed this could have led to an accident. After being towed to a Ford dealer, I found out that the electrical connection to the fuel pump, which is routed under the passenger floor board, had become frayed and disconnected, thereby shutting down the fuel pump. As the mechanic who serviced my Ranger seemed to be familiar with this problem, I wonder why there ins't a recall for this potentially dangerous problem.
There was a shortage in the leonard cap wires which caused the vehicle to have no brake lights. Further inspection revealed there was no fuse used to install the cap. The consumer felt that had a fuse been used it would not have disables the vehicles brake system. The consumer paid to have the cap replaced and was later reimbursed.