1968 Dart Front Parking Light/Turn signal

Good morning,

Working on the wiring for the 68' and have trouble identifying which wire coming from the housing in the grill is parking light and which is for turn signal. I know the housing was a '68 only part, and I cant find a '68 diagram on Moparts. Looks like black with green tracer and black with yellow tracer on my housing. Hoping someone with a '68 can provide some info.

Alternatively, I am assuming turns are on the high side and parks on the low side, but since I cant see the plug, is there a way to identify which is which from looking in the socket end?