Tenn. Code Ann. § 55-9-203: Windshield must be equipped with wipers - Penalty

(a) Every motor vehicle having a windshield shall be equipped with two (2) windshield wipers for cleaning rain, snow or other moisture from the windshield in order to provide clear vision for the driver, unless one (1) windshield wiper cleans to within one inch (1") of each side of windshield.

(b) A violation of this section is a Class C misdemeanor.