Mopar Wiring Diagrams 1966 to 1971 1969 Plymouth Valiant - Schematic B. 1970 Model Year 1970 Dodge Challenger & Dart - Full Set 1970 Plymouth Barracuda - Schematic A 1970 Plymouth Barracuda - Schematic B 1970 Plymouth GTX, Road Runner, Belvedere, and Satellite - Schematic A 1970 Plymouth GTX, Road Runner, Belvedere, and Satellite - Schematic B 1970 Dodge Challenger - Schematic A Mopar B-Body Miscellaneous Mechanicals Guide - Mopar DiY Jun 02, 2017This is a Plymouth 1968–1969 thumbwheel radio; it reads “Chrysler” on the dial. The Dodge version says “Dodge.” Step 20: This is a 1970 Plymouth radio. It was a one-year-only style and very difficult to find in working condition. Step 21: This 1970 glove box has an owner’s manual.