[header] How to remove the " twinkle " feature from christmas lights [title] Remove the lights from the tree. [step] In case you've decided to make changes to your lights after you've put up your tree, you should remove the lights for safety and ease of access. [title] Find replacement bulbs. 
[step] Anytime you need to replace a bulb in a strand of lights, you should always find a replacement bulb with the same voltage as the original. Look under the tag on the strand of lights to find voltage information.