1970 Dodge Challenger Rallye Dash Color Wiring Diagram 1970 Dodge Challenger Rallye Dash Color Wiring Diagram Posted by Nicholas Nagy on 25th Jun 2018 Easy to read ,Just what I needed to work on my 1970 Dodge Challenger.5/5(1) Color Wiring Diagrams for Dodge Challenger Challenger. Please note that 1970 through 1974 models have 2 different diagrams available: Rallye dash cars have a factory tachometer and or tachometer/clock combo, will always have a 150 MPH speedometer and an oil psi gauge. Non rallye dash cars have an oil psi light (no gauge). (1970 & 1971 factory HEMI cars have their own diagrams which are different.
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