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How to Replace the Rear Headlight Bulb on a GMC Sierra

Model: GMC Sierra MK 1 - Years 1988-2002
Part: Tail light bulb

To replace the rear headlight bulb on a GMC Sierra, open the trunk to access the screws next to the corresponding headlight. By removing these bolts, you can take out the headlight from its housing, disconnecting the connectors at the back. Once the old headlight is removed, unscrew the screws on the bracket holding the bulbs to replace them. After inserting the new bulbs, reattach the bracket to the headlight, connect it to the connectors, and secure it back in its housing with the side bolts.

Updated on 14 June 2026 by ScegliAuto

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