The 1972 Dodge Challenger were available in three different engines: the 225-cubic-inch Slant Six with 110 horsepower, the 318-cubic-inch V-8 with 150 horsepower and the 340-cubic-inch V-8 with 240 horsepower. All were equipped to use the then-new unleaded fuel.
The following file contains detail information about 1972 Dodge Challenger Wiring Diagram. The wiring diagram shows interconnection between parts of the car such as starter, lamps, alternator, windshield wiper motor, starter relay, ignition system, etc.
Download the 1972 Dodge Challenger Wiring Diagram here – (source: mymopar,com).