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The tail light circuit board, also known as the tail light connector plate, is a crucial electrical component located within the tail light assembly. It serves as the hub for all the electrical signals, distributing power to the tail lights, brake lights, turn signals, and sometimes reverse lights. Over time, these circuit boards can fail due to corrosion, moisture, or general wear and tear, leading to flickering, dim, or completely non-functional lights. This replacement tail light circuit board is designed to be a direct-fit solution, restoring reliable performance and ensuring the safety of your vehicle. It is a cost-effective alternative to replacing the entire tail light assembly and can be easily installed by detaching the old board and plugging in the new one.