Normal Operation
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
The 12 volt driver brake apply (DBA) signal is sent from the ABS module during brake application to the trailer tow relay (if equipped).
Voltage is supplied by circuit 810 (RD/LG).
Possible Causes
- circuit 810 (RD/LG) short to power or ground
- ABS module