I would buy a Haynes or Chiltons manual for the car. I have a Haynes for my 72 Duster, and it has all the wiring diagrams. Also, an absolute wealth of information on every other component of the car. Very useful.
chiltons manual from the library.
The 1971 Plymouth duster uses a power steering system ..... Have a good day
1971 plymouth duster 340
The practical answer is no
I need a wiring diagram for the battery, starter, and solenoid of a 1971 Chevy truck, 350.
The Library
first unhook the battery cables and then take the alternator belt loose and then take the 3 bolts out that hold the alternator on and take the wiring harness out of the alternator and the red battery cable off and it's out.
http://www.thesamba.com/vw/archives/info/wiring/bug_std_super_72.jpeg
look online.
On e-Bay!!
1970-74 Plymouth barracuda 1971-76 dodge demon/duster/ Dart sport
The bentley manual "green book" has all the wiring diagrams you need.