sleepy eyes

[evotech240sx]

this really goes ut to the people with the s13's. just recently my wife bought the sleepy eyes set up and well... it gots all this japanese instruction on it. she found the instruction in english but its not complete. maybe whom ever out there got the light set up completed can help me. the set up comes with 4 wires. a red ( which is the ground) a yellow, black and gray. i dun know where the yellow and black goes. but the gray i got an idea. it says that i have to put it to a constant power wiring. the instruction says for me to connect to the ignition wires. but i dun really know which one it is. i dun have the manual. the yellow and the black goes somewhere on the ecu. something about the retractor???? i think. please help me u guys. ive had this unit for like 2 weeks and i really want to get this thing on. thanks!!!!