Normal Operation
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.
Voltage is supplied by the smart junction box (SJB) to the traction control switch indicator through circuit 972 (BK/WH). The signal is grounded through the traction control switch on circuit 939 (VT) to the instrument cluster.