06A906300B Volkswagen jounce bum

This little guy basically smooths out voltage fluctuations in your electrical system. Think of it like a pressure regulator for electricity. It takes in varying voltages – sometimes they spike, sometimes they dip – and delivers a steady, consistent voltage to whatever component it’s protecting. It doesn’t create power, it just stabilizes what's already there. It usually sits inline with a specific electrical component, most commonly headlights, but you’ll also find them used with things like power seats, or even the radio. It's placed between the power source and that component. It’s a relatively small unit, usually pretty easy to find where it connects. Sometimes people add them to aftermarket lighting to ensure consistent performance. A lot of modern vehicle electronics are pretty sensitive. Voltage spikes or drops can really shorten their lifespan, cause them to malfunction, or even burn them out. The Bounce Buffer acts like a shield, protecting those components from that electrical “noise”. You’ll notice if you’re losing voltage consistently – lights will be dim, things might move slower. But a Bounce Buffer often prevents the damage before you see those obvious symptoms. They’re pretty reliable, but like anything electrical, they can fail over time. We carry a good selection of them over at Fixparts Online if you’re looking, and have the information to help you find the right one for your vehicle. Our promise to you: Bounce Buffer (MPN 06A906300B) comes with a 12-month warranty!

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