headlights

[orange72]

ok guys i need some help on this one. my headlights come on most of the time but here recently they have for some reason had a tendency to not want to come on. one night i left a gas station and got on the road and my headlights wouldnt come on. so i got out popped the hood and wiggled the connection on the headlights and they wouldnt do anything. so i get back in shut the door and they pop on just like theres a short some where. well the other night at a friends house i get ready to leave and the wont do anything. my park lights and tail lights would work but my headlights wouldnt do anything. i wiggled the headlight connections, pulled in and out on the headlight switch and nothing. i figured it was out for the count this time and that as soon as possible i would have to change the switch. well today i pulled the headlights on to see if they would work and they did. can anyone help me out on figuring out what the problem is. its really worrying me to know that i might not have lights when i need them. thanks