Park lamps iluminate with brakes

I bet you found your problem.

On 67 darts the front running light is a single filliment bulb it is off when the headlights are on. When the turn signal is blinking to flashes.

66Dirtydart said

brake switch does indeed light the front blinkers, not running lights

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I'm confused, do you have a seperate light bulb for front turn signal, and another bulb for the front running light