Calling electric gurus, help!

I've looked through many books I have, I even found a old 73 chrysler body service manual on line and bought it, I can not find any diagram that shows a violet wire in the column but I'm sure that is the supply wire. Another discovery I made is that when I hook up the heavy duty non led flasher the lights come on strong but dont flash, when I hook up the led flasher, the lights are dim, but the new discovery is I supply 12v to one side of the flasher but only 6 volts come off the other side unless as I said before I probe that wire with my tester then it gets 12v, I'm beginning to think my led flasher is NFG, think I'll get another and try again.