Mota yopukutira imayendetsedwa ndi mota, ndipo kuyenda kozungulira kwa mota kumasinthidwa kukhala kuyenda kobwerezabwereza kwa mkono wopukutira kudzera mu njira yolumikizira, kuti ntchito yopukutira igwire ntchito. Nthawi zambiri, chopukutira chimatha kugwira ntchito poyatsa mota. Mphamvu ya mota imalamulira liwiro la mota kenako liwiro la mkono wopukutira.
Chotsukira cha galimoto chimayendetsedwa ndi injini ya chotsukira, ndipo liwiro la injini ya magiya angapo limayendetsedwa ndi potentiometer.
Kumbuyo kwa injini ya wiper kuli ndi giya yaying'ono yolumikizira yomwe ili mkati mwa nyumba yomweyo, zomwe zimachepetsa liwiro lotulutsa kufika pa liwiro lofunikira. Chipangizochi chimadziwika kuti wiper drive assembly. Shaft yotulutsa ya msonkhano imalumikizidwa ku chipangizo chamakina kumapeto kwa wiper, ndipo kugwedezeka kobwerezabwereza kwa wiper kumachitika ndi fork drive ndi spring return.