Look under and behind the air filter housing.
Where do you find the blower motor relay on a 1996 Plymouth Voyager?
belt assembly for a 95 Plymouth voyager
You can find a vacuum line diagram for a 1993 Plymouth Voyager in the owner's manual. You can also find it at various auto stores.
a voyager doesn't use an inertia switch
where is crankshaft sensor located on 1999 plymouth grand voyager 3.0 litre
Find one and count them.
crutchfield.com
Install doctor.com
A wiring diagram for the 1998 Plymouth Voyager can be found on the "Automotix" website. This website contains wiring diagrams for the majority of cars, past and present and is free to use.
Take it to a radiator shop. Find one in the yellow pages.
It does not have an EGR pressure sensor.
It will be in the fuse block under the hood.