Possible Causes
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
- antenna
- antenna connections
- noise suppression equipment
- antenna isolator module
- audio unit
NOTE:
It is normal for an audible popping sound to be heard when turning the defroster on or off. Advise the customer of the condition.