Buick LeSabre driver side rear blinker bulb repeatedly breaks after replacement on Buick LeSabre

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Buick LeSabre owners report experiencing issues with the driver side rear blinker bulb repeatedly breaking after replacement. These problems can stem from various factors, including damaged wiring that may cause short circuits or excessive vibration. Additionally, using the incorrect bulb type or wattage can lead to overheating and premature bulb failure. Voltage irregularities have also been noted as a potential cause, so checking the voltage output is advisable. Owners should inspect the bulb socket for corrosion or poor connections, as these can result in electrical issues. Furthermore, improper installation techniques can contribute to bulb damage, emphasizing the importance of careful handling during replacement. Finally, conducting a thorough test of the turn signal system may help identify underlying issues with wiring or relays that could be causing the repeated breakage.

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