with more b vimins, which help convert food to energy, and help mike do manly things, like wrestle bearspesky problems around the house you wish you could fix yourse. >> he with some quick fixes is "tod" contributor and ho of the show "house smar" lou manfredini. aaron askshis question, how do you chge a light fixture. >> i know you're nervous about this, but this is sothing you can do if you have a healthy respect for electricity. behind you that's your existing fixture on the wall. you see the knob in the middle of the fixture. that comes off and that whole fixture comeoff. >>hat's the only thingeeping it othere. >> right. yowant to make sure thpower isff. >> so important. >> the switch. correct. you n't want these wires to be hot because you will get electrocuted. >> yes. >> you will use a ster to make sure they're not hotnymore. then these two wires are going to get connectedo your brand-w fixture that also has two wis on the back. >> that's it? >> i like the other fixture bett so don't change it. >> i understand. what i want to show you is there's going to be white wire whicis calle