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# How to Diagnose a Faulty Four Wheel Drive Switch

### The most common symptom of a faulty Four Wheel Drive Switch is:

* Car does not switch between 2WD and 4WD

### Here are a few ways you can troubleshoot a faulty Four Wheel Drive Switch

* First, please make sure you check the motor/s have been connected properly and go through the motor troubleshooting guide [here](https://help.riiroo.com/en/article/how-to-diagnose-a-faulty-motors-1j4dvep/), to eliminate motors as the culprit.
* Pry the switch off its housing to make sure the wires have not been dislodged.
* If the motor/s have been eliminated as the faulty part and the wires are connected properly on the switch, then, the fault is most likely the Four Wheel Drive Switch.