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  1. First generation 1960–1966 Chevy C10 Trucks
    I need to hook up my HEI ignition. My wiring harness has + and - connections for the old cylindrical coil. The HEI harness that came with the 77 engine has a heavy cable with orange insulation. Do I connect this to the ignition switch? Do I need a relay? I shifted the mounting position of...