Chevy Diagrams - Wiring Wizard Here we have Chevrolet Wiring Diagrams and related pages. Wiring Diagrams: 57 Chevy -150-210 Belair wiring diagram - Drawing A 1964 Chevelle Wiring Diagram: Figure A Figure B 1965 Chevy II Wiring Diagram: Figure A Figure B 1965 Impalla Wiring Diagram: Figure A Figure B 1967 Chevy-AC-Assembly Manual - Drawing A 1968 Camero wiring - in a file 1972 Chevelle SS Wiring Diagram and Pictures The engine harness and the cowl induction harness are both from American Autowire. They make absolutely beautiful OEM restoration harnesses - perfect in every detail. My only complaint with American AutoWire is that they provide no instructions or diagrams with their "OEM/Factory Fit Replacement - Restoration Wiring Harnesses" (another weekend of research). 1970 Chevelle Instrument Cluster Wiring Diagram 1970 Chevelle Instrument Cluster Wiring Diagram– wiring diagram is a simplified adequate pictorial representation of an electrical circuit shows the components of the circuit as simplified shapes, and the talent and signal contacts surrounded by the devices.