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Step 1
Find the extra parts that came with your Christmas lights. This should contain a few replacement bulbs and spare fuses.
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Step 2
Unplug the lights (if they are plugged in).
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Step 3
Your fuse "box" will be located in the plug.Locate the part of the lights that plugs into the wall. This is where the fuses for the lights will be located.
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Step 4
Remove the cover to the fuse "box" of the Christmas lights. It may pop off or slide down.
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Step 5
Remove the old fuses.
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Step 6
Insert the new fuses into the fuse spaces of the lights.
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Step 7
Replace the cover on the fuse "box."
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Step 8
Plug the Christmas lights back in.




















