Need help, Dart won't start...

Doubtful. Search "Packard 56" terminals. Caveat. Some of them are made differently for other applications. "Generally" Mopars must have the female type where the "sides" "wrap around." I got mine from "clips and fasteners" but last I checked there, the prices had gone up some

Check what your's "are" These here are generally incorrect for older Mopars, these "wrap over" the top

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At least for the older cars, this type is what you want

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You will get some argument, I don't like to depend on the crimp. I solder mine