duster/valiant Parking/turn signal wire pigtail ??

does anyone know which clip goes on which yr model
its a duster grill, parking light turn signal wire connector on the grill. .
one has a grey square connector and one has the black rubber two prong connector.
i dont know which one is for which year. 70-71 or 72. im thinking 72 is the grey square one.?
can anyone confirm this

the black one is a 70-71 style for sure not sure on the gray one