If the entire cluster is not working then you are on the right path but I don't think it is a ground. The ground for this is G100 which is on the fender on the driver side. So you would not have taken that off if you did the dash.
The most likely cause is one of three things. First the connectors on the cluster are not fully seated so you should double check them. Second, one of the fuses blew. Third, the cluster got damaged when you had it out.
Here is a guide that will help with testing the fuses if needed:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
I attached the wiring and fuse information. Let's check these things and go from there. Thanks
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Friday, December 11th, 2020 AT 5:37 PM