Try touching the wiper motor. I had one go on an MG smelt a bit like that. The internal contacts had gone so it was 1/2 on 1/2 off. No movement from the wipers but the motor was cooking.

Last edited by IcePack; 23/10/17 04:21 PM.
4/4 Ivory 4.1:1 axle, Mercedes A200 AMG