Upgrade Your Halogen to OEM LED the Right Way This is the required plug-and-play harness when converting from factory halogen to GM OEM LED headlights on 2019–2021 and 2022 Limited Silverado 1500 models. Designed to support both styles of GM LED headlights, this harness enables the LED accent strip to function as your daytime running light, while preserving full headlight…
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