steering wheel

[Rolf S. Ask]

Are working on some stering wheels while wetter is bad.
Have sanded down most of it, and noticed that the wooden stering wheel even had gray primer at the bottom, just like the steel on it. It also seems that the wood have been painted black when new. Is this correct?? Or should it be brown or plain wood??

And when on to it, the seat frames, are they to be black too? Or did they came in both black and brown? What abouth the heater system? Seems as there are differences here to, found some that have been black and some that shows no evidense of black, just brown.

Any comments please

Rolf