Cost to fix a short in my 2010 Pointiac G6? on 2010 Pontiac G6

I bougt my car in August 2013. Since then I have replace my passener side headlight 6 times. Now, my drivers side has went out. How much will it cost to get this short fixed? Any suggstions on where to go to fix it?

Asked by for the 2010 Pontiac G6
check the headlight plug for power and ground ...and check to see if connections are dirty