how do you make the x-mas lights go off and on?
If your writing about a true Xmas tree lighting system , yea sure just get a red tip bulb, but if your talking about lights on your instrument panel to your car, that go off and on. Well lets say your check engine is on. Then get a paper clip and put one end in the 7 and the other into the 11 . Most autos are set up the same. leep trying different combos to clear
Set time on and set time off? You can buy a timer control that has a electrical outlet on the backside to control what time the lights come on and go off. Like 4pm on and midnight off. For making the bulbs flashor twinkle, you have to have the above mentioned flasher bulbs and twinkle bulbs(c-7 and c-9 series only) 12.08.07 8:20pm EST
you have to buy a flasher bulb, just screws into a normal light