I have installed a Painless 20101 harness in my 68 Camaro. I wanted to add some LED lights. I have switched to an electronic flasher unit and added 1157 type LED bulbs. When I turn the left or right signal on both lights blink along with the front side marker lights like the flasher is activated. I have pulled the 4 way flasher unit with no change. When I try the regular incandescent bulb everything works fine. All LED's are lit and the intensity changes when flashing, I think since there is voltage on all LED's when activated that may be causing the problem. I am considering adding diodes to isolate the socket but really don't want to go to the trouble. Any ideas?