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Many customers ask why their vacuums headlight or lamp continually burns out, even though it was recently replaced. 

The most common reason?  Oils from your skin.

So a quick fix is to clean the bulb with a glass cleaner, and install the bulb using
a cloth, rag or glove to hold the bulb when installing. 

Just like in your car or house bulbs, the oils from your skin (your fingerprint) can create a "hot spot" on the bulb.