Can someone tell me (1) where and (2) what color is/are the wire(s) that control the illumination of the stuff in the center console on a 124. I'm talking about illumination of the shift lever position (PRND2), the window switches, speaker fader, pwr. mirror control, HVAC controls, and the row of switches above the HVAC controls (emergency flasher, rear headrest and light control, antenna, etc.). I assume there is one or more wires that run from the headlight switch to somewhere in the center console that tells that stuff to light up when you turn on the headlights. Everything in the center console works as it should (so I know it isn't the fuses) except it has no illumination, and no way all the bulbs burned out simultaneously. Thanks

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2005 Mercedes C230k sport sedan, 6 speed
1987 Porsche 924S - 968-engined track car