Expedition 4WD V8-4.6L SOHC VIN W (1999)
Transmission Mode Switch: Description and Operation
The Transmission Control Switch (TCS) is a momentary contact switch that is located on the end of the transmission control selector lever Pushing
the TCS will either disengage or engage the overdrive function of the automatic transmission. If the OVERDRIVE is disengaged, the word OFF will
illuminate on the transmission control selector lever.
