Possible Causes
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
- circuit 720 (RD/YE) open
- circuit 174 (GY/BK) open or short to ground
- circuit 176 (PK/LG) open or short to ground
- circuit 179 (OG/RD) open or short to ground
- circuit 1204 (BK/OG) open
- subwoofer amplifier
- subwoofer
- audio control unit