Where is the location of the starter relay switch on a v6 1996 3.8 mustang?

As of October 1 , 2012 you can still view the 1996 Ford Mustang owners manual online at :

www . motorcraft service . com ( no spaces )

Click on Owner Guides

The diagram for the power distribution box ( which is located in the engine compartment , on the drivers side , near the battery ) is on ( page 284 )

It shows that the starter relay is a simple plug in