My 1989 has them. I love this feature.
There are a variety of steering wheels that are available for Cadillacs and they serve many functions. An individual may purchase a steering wheel with radio controls, cell phone control, or a simple traditional steering wheel.
There are a series of wires that run from the steering wheel controls to the radio. An electronic circuit could be used, to combine several controls into fewer wires.
The cruise and radio switches do not share a common fuse.
We have put an aftermarket car stereo in a car with the controls on the steering wheel. You have to check to see if an aftermarket wiring harness is available for that year and model.
If the steering wheel has radio controls on the wheel, there could be a problem in the wiring. When the wires connect electrically it will cause stations to change.
I believe the only way to fix this would be to replace the steering wheel with one from from a junker car. I don't think the controls are available to purchase individually and you would need to take the wheel apart to replace them in any case. Do what I did with my Bonny, live with it (much cheaper)
The clockspring under the airbag is not connected or needs to be replaced! also the cruse control and radio controls in the steering wheel are probably not working
It doesn't control anything. It is the connection for the cruise switches, horn switch, radio controls(if equipped) and airbag that allow the steering wheel to turn and there to still be a connection.
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From new they would have been controls for the radio. Volume, Station, Cd/Radio, etc. I