Possible Causes
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Circuit 165 (TN/WH) open, short to ground or voltage
- Circuit 1335 (YE/WH) open
- Circuit 1337 (VT/YE) open
- Strobe/light bar control switch
- Light bar relay
- Light bar