83 Complaints: 2004 Ford F-150 Electrical System Problems The 2004 Ford F-150 has 83 NHTSA complaints for the electrical system at 54,805 miles average. NHTSA — Electrical System Problems. They found a blown maxi 20 amp fuse (#102 in fuse box 2004 Ford F-150 Electrical System Consumer Complaints 2004 Ford F-150 Electrical System Complaints, Problems and Troubleshooting. Home; This is a known problem with ford f150 2004-2008. The module corrodes and causes a short circuit that blows the fuse to the pcm and results in total failure of the pcm, thus rendering the vehicle inoperable.