Blinking Headlamps!?!?!HELP!!?!?

[SWINGSAX68]

My head lamps blink with my turn signals, I don't have the front side markers rigged to blink with the turn lamps, so they stay on with the running lamps only. I got one of those side marker plugs w/bulb, with the brown and blue wires, grounded the brown one and ran the blue one to the running lamp wire from the parking lamp. Since I've done this the head lamps blink ever so slightly with the blinkers. The dome light blinks as well. Could I have missed ground somewhere? I also did the same with the back side markers. I grounded the br. wires to one of the screws that holds on the plastic lamps on all four. I took the grounds from the radiator support and cleaned them up then bolted them right back in. Worked a bit better but the blinking continued. Help me out guys!!