turn signal, brake priority relay setup

Show me in my diagram where the two circuits are connected. I can not see where they connect to each other. They are already Isolated as far as I can see.

The last one posted is a direct short between break and  Blinker system.

Keep it simple it makes less problems.

I bench tested mine and it works perfectly as designed.

It only latches if the Blinker signal does not flash.

Every time it flashes it latches and unlatches as it is designed to do.

You're right about the direct short, this can be easily fixed though.  The circuit shown below,  +12V will break the continuity between the two sources in a normal case.  I tested this circuit on my bread board and it worked like it should for one side.  To keep it safe from stray voltages bleeding to the other side, a diode inline at each 30 pin output would clean the problem. 

The blinkers are seperate and only one side will blink when it's corrosponding blinker is activated. The blinkers are isolated from one another. how can they trigger both sides when isolated.

After taking a second look at it I see what you are talking about. It works but I think a couple of Diodes would resolve the problem. The Diodes need to be heavy duty enough to handle the Bulb current .

However it will not fix the crow that I am eating now.