I have a 7 foot pre-lit tree that is in 3 parts. There are entire branches that all the lights are out. I have checked the plugs, they seem to be fine. How do I figure out what the problem is? I tried replacing the bulb in a couple of the unlit lights, they still didn't work. I have to do all this myself as my husband is physically disabled. Any suggestions would be greatly appreciated.
By Peggy F
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