awhile ago i put in hids from falcon and the thing is my left bulb flickers but doesn't turn on all the time, i have to turn on the light switch on and off until it turns on. also my parking light is doing the same. sometimes the light is weak, just doesn't turn on, or it actually works normal. can anyone tell me whats wrong

 

sounds like there is a bad connection somewhere. And that is where the fun begins. What you need to do is check all connections for that lighting system. Check the grounds. Check the switch, check everything...more than likely it is one thing causing the problem. More times than not, the switch is faulty...

Hopefully some of that is helpful!