Check for a good ground, and also power when you push the switch.
Also see if you may just have a blown fuse for it.
Might be as simple as that.
97 Sahara, 74 Renegade, 72 CJ5, 55 Willy's (the Beast) Boss 302, 6:34 gearing, Bose 901 speakers.
God I miss that Jeep. Forgot the kinda Jeep, 80 SX4.