Packard 56 Terminals?

The females Chrysler terminals have rolled sides while the Packard 56 have a leaf spring.

Terminals in the connector reverse light switch on my '67
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A slightly different version on the right below - I think from the headlight switch connector.
Some currently available alternatives that are similar to the orignal Chrysler terminals shown below.
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Packard 56 style. This is from the heater fan switch connector on my '67.
So Chrysler did use this style, at least occassionally.
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One issue is that the plastic connector housings don't always interchange well between the two styles.

Sources for Chrysler type wire terminals