Having problems with your Audi Quattro ?
My rear defroster light comes on but does not seem to work after a while it just shuts off.
Because the switch is a timer type (after a period of time it shuts it self off)if not defrosting window completely check rear grid with multi meter to test for breaks in the grid(should have no contunity on bad grid portion)
Repair Help & Product Troubleshooting for Audi Quattro
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