Exactly where is the voltage regulator located on a 1989 Ford van Econoline 150?

My 1989 Ford Econoline 150 was diagnosed with a bad voltage regulator. I purchased a new one, but do not know where it is located exactly so I can replace it. If it helps, my engine is 351 fi. Thanks.Exactly where is the voltage regulator located on a 1989 Ford van Econoline 150?The voltage regulator on that is a part of the alternator.Exactly where is the voltage regulator located on a 1989 Ford van Econoline 150?It's on the alternator.