Trying to Combine two circuits together need help

Im trying to make a circuit for my motorcycle and i want the LED's in the headlights to blink for X amount of secs then go steady. Well what i came up was a two circuits with the NE555 a blinker and a delay on circuit and i was going to install them whit a relay something like the diagram below and the circuits i'm using but i cant fine the exact blinker circuit but its a 12V one. I also tried putting diodes in the + wires on both circuits and also putting diodes on the + going to the LED's . any help is greatly appriciated
Thanks in advance