In May 1990, WJKL adopted an adult contemporary format and revived "The Fox" branding."Radio Highlights", Daily Herald. May 19, 1990. Section 2, p. 4. Retrieved November 27, 2018."WJKL FM 94.3", Radio Chicago, Summer 1990. p. 54. Retrieved November 27, 2018."Radio Station Index by Format", Radio Chicago, Fall 1990. p. 3. Retrieved November 27, 2018. The station carried programming from the Satellite Music Network, along with local programs such as the Radio Shopping Show.Kening, Dan. "Talk O' the Towns", Chicago Tribune. November 3, 1991. Retrieved November 27, 2018. In 1990, the station's ERP was increased to 6,000 watts."Federal Communications Commission FM Broadcast License", fcc.gov. Retrieved November 27, 2018.Public Notice Comment, fcc.gov. Retrieved November 27, 2018. In 1998, the station added brokered programming at night."Format Changes & Updates", The M Street Journal. Vol. 15, No. 27. July 8, 1998. p. 1. Retrieved November 27, 2018.
