Instrument lights turn off then on while driving?

This sounds like the cluster is going out but to be sure we need to do a CAN scan. You can get a CAN scanner (Controller Area Network) from Amazon.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Here is one for about $99.00 if you need it:

https://amzn.to/3ZixY4v

here is how to change the cluster out which you can get a rebuilt unit by searching google or eBay. Check out the images (below). Please let us know what happens.