instrument cluster wiring diagram 1971 dart

Flashers don't need ground unless you are using a special electronic one? for LED's?

The column has no power as such.

The inputs to the column TS switch are:
From full time power---through hazard flasher---to column TS switch
From key switched power--through turn flasher--to column TS switch
From full time power through brake light switch and on to TS switch

The outputs are

Left front turn, and spliced / branch off to dash indicator lamp
Right front turn and spliced/ branch to indicator
Left rear turn/ stop
Right rear turn / stop