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How to Replace the Headlight Bulb on a GMC Sierra

Model: GMC Sierra MK 4 - Years: 2014, 2015, 2016, 2017, 2018
Part: Headlight bulb

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Video tutorial

To independently replace the headlight bulb on your GMC Sierra (2015-2020), you only need a few minutes. Just follow the steps in this mini guide.

First, completely turn off the vehicle and preferably disconnect the battery to eliminate any potential electrical current. Next, lift the hood and locate the protective cap inside the engine compartment (corresponding to the headlight with the burnt-out bulb).

Remove it and gently pull the connector towards you. Disconnect it and proceed with replacing the bulb. Finally, reconnect the electrical pin and reattach the protective cap.


Updated on 19 June 2026 by ScegliAuto


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by ScegliAuto

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