D dwimech New Member Sep 29, 2009 #1 1998 gti. there are 3 wires on the tether switch. A ground and a ground return. What does the third wire do? The schematic shows this wire between the switch and the module.
1998 gti. there are 3 wires on the tether switch. A ground and a ground return. What does the third wire do? The schematic shows this wire between the switch and the module.
