Lighting For Instruments and Controls

Rheostat 16, which regulates the lighting for instruments and controls, incorporates an electronic unit.

The rheostat is supplied with current via fuse 29. Rheostat 16 is used for steplessly adjusting the brightness of the lighting of connected components by means of a PWM signal. The brightness of the rheostat lighting is also adjusted at the same time.

Current from pin 2 is supplied to the following components:
10 Lights switch
25 Switch, hazard flashers
116 Switch, electrically heated rear window
143 Switch, recirculation
148 Ashtray illumination, front
154 Lighting, heater controls
161 Switch, rear fog lights
169 A/C switch
216 Climate control unit
252D Rheostat, heating pad, driver's seat
252P Rheostat, heating pad, passenger's seat

Current is supplied from pin 3 of the rheostat to the following components:
91 Selector lever lamp
386 Switches, electric window lifts, electrically operated sunroof

Current is supplied from pin 5 of the rheostat to the following components:
18 Lighting, main instrument display panel 47
49/241 Clock or SCC trip computer
210 EDU trip computer
267 Radio, dial illumination
282 Headlamp beam adjustment switch

Current is supplied from pin 9 of the rheostat to the following components:
88/88a Switch, extra fog lights
449 Switch, TCS ON/OFF