You have a broken axle or the gears are stripped/broken. Consult a trusted mechanic.
The 3 main things in a car is the engine, the transmission, and the differential. if neither of these things are working properly then your car has to have a complete rebuild of them or a new engine, transmission, or differential put in.
The differential is part of the drive chain of the car.
A car radio that has stopped working will need to be checked for wiring problems or a problem in the radio itself. The car dealer should be able to track the source of the problem to let you know how to proceed with fixing it.
blown fuses
working principel and components of DTA
If it is working it is OK, look elswhere for your problem, the transfer case might not be engaging but i can't help you with that.
I have car speed is more
Did you check the AC fluid? That is sometimes the problem.
In the differential.
no
What is your car's year? Automatic or Manual Did the problem begin after working on the vehicle?
The problem would be that the car is messed up