1972 Marker and running lights

['68OrangeSunshine]

Sounds like a 1967. [They had no Side Marker Reflectors.] The Turn Signal Lights worked L & R to signal turns. Hazards blinked all around. On first click, They came on as Parking Lights.
Second click, the Headlights came on but the front yellow lights went out. [Except for indicating turns]
A PO may have used a 1967 Model Year Headlight Switch.

In '68 the Side Marker Reflectors were installed, but had no lights. The Running lights stayed on with the headlights.
'69 I think, they were optionally lighted. IDKFS.
By '71 all the Marker lights were on, and the fronts alternated blinks with the front side lamps. Red rear markers don't blink.