Product Portrait

Steering column switch

suitable for: Dodge, Mercedes-Benz, Smart

replaces 4047755010973

Vehicles are required to have a direction indicator light on each side at the front and rear. When used, these must illuminate with a frequency of 1.5 Hz (± 0.5 Hz) = 90 x per minute (± 30 x) on both sides simultaneously. The indicators are operated with a steering column switch on the steering column. The indicator switches automatically return to the original position, i.e. when steering out of the bend, the switches are automatically returned to the neutral position which means that the indicator is switched off.

The switch is returned to the original position with a tappet on the steering column which triggers a little lever on the indicator switch and causes it to return using spring force. When this happens, a switch is opened and the connection to the electronic control device (indicator unit) is interrupted and the process is ended.

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Hints & tips:

Before you replace the steering column switch, make sure that the earth and cable connections as well as the fuses are in perfect condition and that these are not the real cause of the fault.

Before you start dismantling, check that the battery is disconnected and that the wheels and the steering wheel are in the straight-ahead position. Then remove the airbag unit, the steering wheel and the steering column housing. Reinstall everything in the reverse order of this dismantling sequence.

IMPORTANT: The airbag unit may only be removed and reinstalled by a person qualified to use pyrotechnical equipment!

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Product Portrait

Steering column switch

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