How do steering wheels run the electrics for media/infotainment controls through the steering column when a steering wheel can turn multiple revolutions in both directions? Don’t wires get twisted to the point of giving out?

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How do steering wheels run the electrics for media/infotainment controls through the steering column when a steering wheel can turn multiple revolutions in both directions? Don’t wires get twisted to the point of giving out?

In: Technology

Clock spring. It’s basically a spiral of wire in the wheel rolled up loosely so it can be wound tighter or looser depending on the direction you’re turning.

A device called a turn clock holds a small loop of felexible wire in a donut shape. The wire winds up in one direction and unwinds in the other. Most can go 3 1/2 turns before they brake.

What about those disco lights that just keep spinning?