57 Chevy Headlight Relay Wiring Diagram. Its cheap by the foot and protects the wiring from any cuts wear etc. This is an Incomplete Collection of various schematics for Chevrolet Cars and Trucks.
1960-63 Light Switch 1964-66 Light Switch 1960-63 Light Diagram 1964-66 Light Diagram Power for the headlights flows from the battery to the switch post 4 on 60-63 or post 1 on 64-66 trucks then the. The main power from the battery feeding the fuse and relays should be a nice large gauge wire as indicated. Use a quality tool to avoid over-crimping.
Its fully insulated and contains up to 7 wires.
If you have any Pre- 1960 Chevrolet Diagrams not listed here. Place the fuse holders immediately after the connection to 12 volts to protect all your wiring. I had purchased one of your engine harnesses for my 1963 Chevy II Nova and the light harness. Use a quality tool to avoid over-crimping.