- Classic Car Wiring Diagrams: This website has a large collection of wiring diagrams for classic cars, including the 1974 Plymouth Duster.
- AutoZone: This auto parts store has a section on their website where you can find wiring diagrams for different vehicles.
- AllDataDIY: This online subscription service provides access to a variety of automotive repair information, including wiring diagrams.
- Mitchell 1: This professional automotive repair software program also includes wiring diagrams for a variety of vehicles.
If you are unable to find a free wiring diagram for your 1974 Plymouth Duster, you can also purchase one from a Mopar parts dealer or a classic car restoration shop.
