Four problems related to overdrive light on have been reported for the 1996 Ford Contour. The most recently reported issues are listed below.
Transmission shifted into reverse while shifter was still in drive. Overdrive light was blinking.
Consumer took car in for 4th recall repairs. This one was for the engine wires. Dealer fixed problem. Consumer picked up car, and on that same evening engine check light came on. Took in vehicle for service, and speedometer stopped working. Couldn't tell how fast car was going. Also overdrive light started to blink on/off.
Was driving one day and overdrive light comes on and cars starts to shift real hard no exact speed matters all the time and engine check light is on all the time.
While driving the overdrive off light continues to come on. And when this happens, car loses speed.