how to replace original brake light with LED?

[m.flores.0928]

Originally Posted by eeeeeh

Hi there, just wondering if anyone has done the conversion of original brake light (dual filament) with LED. I have already replaced the indicators, reverse lights, and all interiors, and want to complete the project by replacing the brake lights. As you might know the original bulb is dual filament and therefore, two different currents would go through the bulb. With LED pulling in so little power I've read that current would back-feed through the low-beam light and turns on other lights. I'm assuming I'd need to fit some diode in-line to prevent back-feeding power, but I'm unsure what diode to get nor the fitting of it.



Would appreciate if anyone has that knowledge can chime in. Thanks in advance.

Sylvania brand. Go for those. My car uses 7443 bulb number for the brake light, which is a dual filament bulb. 7440 is the single filament version of that bulb. Search “sylvania LED 7443” on Amazon and find a red colored one. Even though my car has a red tinted lens on the housing for the brake light, if you get a white color 7443 bulb, it may not look red on the streets especially at night with an LED being as bright as they are. Plug and play install, no extra wiring needed, works great, no issue. You might have luck finding that bulb at a car parts store though.


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