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Subtle city/parking light flickering - 986 Forum - The Community for Porsche Boxster & Cayman Owners

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YOUR RESEARCHSubtle city/parking light flickering - 986 Forum - The Community for Porsche Boxster & Cayman Owners

1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.

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1 matching discussions · 4 captured posts examined · 0 partial discussions

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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • 986Forum: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T150451Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

When the engine is idling, the city lights (the position in between the headlights on and off) have a very faint flicker. They don't turn completely off, but go between 100% and probably 80% brightness. The flicker seems to be related to the slight engine idle speed fluctuation (20-30 RPM). The interior lights may also be flickering, but it's hard to tell. When I turn the engine off, they're 100% and have no flicker. I have not noticed the same phenomenon when the HIDs are on, engine running. Any ideas? Ignition switch? Battery terminal connections are tight. I did the requisite search, but not that much came back. As always, if I missed something obvious, let me know.

POST 4Original post

A voltage regulator can cause the same problem.

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