Dash Cluster Replacement on 2005 H2SUT
 

I have an oil gauge that likes to drop to zero every now and then. Did all of the obvious checks (sending unit, ran another gauge in to check against dash gauge, etc.). I have read about all of the GM dash cluster issues and have decided that this is the most likely culprit. I saw the web address to the Ebay guy that refurbishes the clusters. My question is does anyone have any instructions on how to replace the cluster? It looks fairly straight forward to remove the allen headed bolts and pull it out of the dash. The other obstruction I have is my H2 has a Night Driver set up by Ratheon in the dash as well. I would assume the cluster pulls out from under this piece, but was looking for someone that may have some easy instructions/advice on how to do this.

Thanks