What is the black switch next to transmission power on console in a 1989 jeep Cherokee?
That black switch next to the transmission power button on the console of a 1989 Jeep Cherokee is most likely the 4WD/Part-Time 4WD engagement switch. It's used to select between 2WD (2-wheel drive) and 4WD (4-wheel drive). The exact labeling might vary slightly, but its function is to engage the four-wheel drive system.