hey man.. i have this problem... check the connection between the wires and the actual bulb socket thingy..
I had to rewire mine since it was all corroded..
Current - 2011 Jeep Grand Cherokee Laredo
2010 Jeep Patriot North All-season
2009 Jeep Wrangler Unlimited Sahara
2002 Dodge Durango SXT
1985 BMW 325e
1998 Pontiac Grand Prix GTP
1995 Nissan Altima SE
1994 Mazda MX-6 RS
1984 Buick Riviera