Engine harness modified for electronic ignition and updated alternator for all 1964 B-body models with 426 Max Wedge engines. reproduction. Reproduction harness requires the use of the 1970-and-later style alternator and electromic voltage regulator. If using an aftermarket electronic ignition system, our manufacturer suggests that a reproduction harness for point ignition would be a better starting point. Use this harness for plug & play termination of a Chrysler electronic ignition system.