So you were able to successfully wire the after market harness to the oem switch? Did you connect it to the fuse box? I found the switch I want but I'm just trying to make sure I can do this before I buy it. Here is a link to it. Thanks!
2004-2008 Chevrolet Aveo Headlight Switch - Body Electrical - Standard Motor Products 04-08 Aveo Headlight Switch - 17824-07035453 - PartsGeek