1986-1989 Ford E-250 Econoline V8 5.8L High Output AlternatorFitment: This is a direct fit high output alternator for the 1986 1989 Ford E 250 Econoline 5. 8L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high output alternator, and the other side will plug into the factory plug. NOTE: If you require charging at a certain voltage setpoint, we offer a