Scion tC blinker issue causing fuse to blow after multiple mechanic evaluations on Scion tC

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

Problem overview

Some Scion tC owners report experiencing recurring blinker issues that result in the fuse blowing after multiple mechanic evaluations. These problems can stem from a short circuit in the wiring connected to the blinkers, often caused by frayed or damaged wires that may contact metal parts of the vehicle. Additionally, some owners have found that using an incorrect fuse with a lower amperage than recommended can lead to quick fuse failures when the blinkers are activated. Others have encountered faulty fuses that fail due to electrical surges, age, or manufacturing defects, which can prevent the blinkers from functioning properly. It is crucial for owners to accurately diagnose the root cause of these issues by consulting the owner's manual or fuse diagram specific to their Scion tC. If the problem persists, seeking assistance from a specialized automotive electrician or a Scion dealership's service center is advisable to effectively resolve the underlying issue.

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