Where is the inertia switch on a 1990 ford f150 Source Source Source Source Source Source Source Source Source Source Read Also: 1990 Ford f150 inertia switch location Ford 1990 f-150 inertia switch 1990 Ford f250 inertia switch 1990 Ford f250 inertia switch location 1990 Ford bronco inertia switch location 1990 Ford ranger inertia switch