A headlamp tilting mechanism in a motor vehicle comprises a pair of spring arms mounted in opposition on a shaft which is pivotable relative to the motor vehicle body and which carries a pair of headlamps. One end of each spring arm has attached thereto one end of a sleeved cable. One cable is attached to an unsprung part at the rear of the vehicle and the other cable is attached to an unsprung part at the front of the vehicle. Both cable sleeves abut against the underside of the vehicle body. Changes in the attitude of the vehicle body relative to the front and rear wheels cause changes in the tension of the cables to effect biasing of the spring arms so that a resultant rotation of shaft is effected which corresponds to the change in attitude of the vehicle body.
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