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A TBC fuse on Chevy trucks is part of the Trailer Brake Controller system, which manages the braking of a trailer when it is connected to the vehicle. The fuse protects the circuit from overloads and ensures safe operation of the trailer's brake system. If the fuse is blown, it can lead to malfunctioning trailer brakes, requiring replacement to restore functionality. It's typically located in the fuse box under the dashboard or hood, depending on the model year.

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4mo ago

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