S-Class (W126) 1979-1991: 300 SE, 300 SEL, 380 SE, 380 SEL, 420 SEL, 500 SEL, 560 SEL, 360 SEC, 500 SEC, 580 SEC, 300 SD TURBODIESEL, 300 SDL TURBO, 350 SD TURBO, 350 SDL TURBO

1990 126 Sedan dash light dimmer switch

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Old 03-02-2004, 11:24 AM
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1990 300SE
1990 126 Sedan dash light dimmer switch

The dimmer switch for the dash lights is not working. The lights do not go on when the headlights are on. If I turn the knob all the way to the left (clock-wise) the lights will then turn on but as soon as I release the knob they go out.
Is there a way to hot wire the switch so that the dash lights will be "full bright" when the headlights are turned on?
I think there are 3 pins on the PC board that the dimmer switch is attached to.
Thanks
Dan
Old 03-02-2004, 03:10 PM
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Jer
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1994 E320
Are you talking about the dimmer on the instrument cluster or the headlamp switch to the left of the steering column?
Old 03-02-2004, 03:27 PM
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1990 300SE
The dimmer in the instrument panel. Only one that I know of?

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