I have a 5c, it has a Chrysler 5 pin connector, and it is the same as a Mopar electronic control box. I also have a 6c with 5 pin connector. The 5c is about 1/4 the weight of the 6c, and is wired differently. How many wires are on the 6a? The 5c was around in the mid 70s to the mid 80s. Maybe...