Rear wiper motor wiring.. | Audi-Sport Oct 22, 2013Rear wiper motor wiring.. rich080487 Oct 16, 2013. rich080487 New Member. 13 0 1. I mangaged to get hold of a newer rear wiper motor from a friend who was breaking a 2011 A1. This physically fits into the car, looks identical, and also has 4 connectors that are labelled the same on the motor. 2004 Audi A3 TDI Sport 2007 Audi S3 3dr I have an Audi A3 sport back 2007 on which the rear wiper Sep 21, 2012Hi I have an Audi A3 sport back 2007 on which the rear wiper motor stopped working. I've replaced the motor with a new one, checked the fuses but still not working forums say there is no rear wiper relay, is this correct? and if there is, where is it located, is is relay 53 behind the drivers side fuse box mounting?