The combo switch is the turnstalk unit that controls the turnsignals, hi/low beams, wiper speed and cruise control......
You can get this at Parts America (advance Auto)
GP Sorensen LS327
Dimmer Switch; w/Tilt Steering; Combination Switch
1 Year Replacement Warranty Ships in 1 day
Weight: 0.1 lbs. $154.88
GP Sorensen LS326
Dimmer Switch; w/o Tilt Steering; Combination Switch
1 Year Replacement Warranty Ships in 1 day
Weight: 0.1 lbs. $219.99
Niehoff Ignition CS2821
Dimmer Switch: Exc. Cruise Control
3 Month Limited Warranty Ships in 5 days
Weight: 2.2 lbs. $191.99
Niehoff Ignition CS2511
Dimmer Switch: w/ Cruise Control
3 Month Limited Warranty Ships in 5 days
Weight: 2.2 lbs. $211.99
You can replace this WITHOUT pulling the steering wheel. Get a Haynes manual and do a couple of dry runs to identify tight spots during removal and installation. Then get the part and replace it. If you can find a reputable recycling yard get the part there at a substantial savings.
Larry