I didn’t even jack the car. Just turned/cocked the wheels to access the plugs. Worked for me on 3 Impalas while waiting on delivery for harnesses I’d ordered from Ebay Motors, lol. If you’re going to replace, I’d check Ebay Motors and Rockauto. Iirc, I picked up mine for ~$10/ea.
https://www.impalaforums.com/threads/wheel-speed-sensor-wire-harness-impala-limited.1886760/