Posted September 1, 20159 yr comment_476799 In the middle of a full resto on a 77 280z and in the process of repairing the original wiring harness. Does anyone have the square, flat or round connections figured out? Are square ones for engine, flat for accessories etc...It looks like a method to the madness but I thought I would ask you experienced guys first.Anything will help!Flattop Link to comment https://www.classiczcars.com/forums/topic/52266-s30-electrical-connections-explained/ Share on other sites More sharing options...
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