TECHNICAL GUIDES · LED HEADLIGHTS H4 vs H7 vs H11 vs 9005 vs 9006: LED Headlight Bulb Types Explained Understand bulb bases, beam functions and the checks that matter before an LED replacement. October 8, 2026 · 10 min read H4, H7, H11, 9005 and 9006 are bulb specifications, not five brightness levels. Choosing between
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TECHNICAL GUIDES · LED HEADLIGHTS What Is CANBus for LED Headlights and When Do You Need It? Understand bulb warnings, flickering and compatibility adapters before upgrading your headlights. October 8, 2026 · 10 min read An LED headlight upgrade can illuminate the road while still triggering a dashboard bulb warning. Some installations also flicker, flash
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An LED headlight beam pattern can look different even when the replacement bulb fits the original socket. The wall may appear whiter and brighter, yet the road can show scattered light, a weak hot spot or unexpected dark areas. These changes are mainly about where the headlamp sends light, rather than color alone. The original
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