Third Light on 2005 GMC Yukon XL 1500

I Have a 2005 yukon my third light is out, is these a item that i can replace the bulb or do i have to replace the whole piece...????

by in Banner Elk, NC on December 09, 2010
1 answer
ANSWER by , December 09, 2010
I believe you must change the complete third brake light assembly on your 2005 GMC Yukon XL. Checking with your local GM parts dealer would confirm this.