The Ford wiring diagram is wrong, the horns on my 2001 are also on the right side. The diagram does not show any other wires except the two that "feed" the horns, but since we already proved the diagram is wrong on the location, I can't say one way or the other on the wires, but I suspect the...

The 2001 F-150 had a "horn assembly" located on the left front of the radiator support, it contained both the high and low pitch horns. The horns were were powered through a YE/LG wire from the horn relay in the Battery Junction Box. The ground was a single black wire from the horn assembly a...

If you have a 5.8L, the fuel pump relay in the Engine Compartment Fuse Box is powered by fuse #16, 20a in the same box. Power from the relay goes to the inertia switch on a DG/Y wire, then from the inertia switch to the Fuel Tank Selector Switch on a R/Y wire. From the selector switch power...