OK, for whatever reason for about the last month I have noticed that in cetain situations my fuel pump switches and crossover valve on the overhead 2d panel don't work (they simply are "dead, will not move)Any time I fly a model with 2d and virtual cockpit, the above problem exists. Ive I fly a model with 2d cockpit only, everything works fine? I have tried uninstalling and reinstalling but no help. I hardly ever fly with the virual cockpit so it's not a real big deal. Just bugs the #### out of me.:-bla Any ideas?

Checked a little more. This is only happening in the 600 and 700 version of the model. The 800 and 900 are working fine. I do have the "Optional Model Update" installed.

Hate to keep replying to my own post but found the problem. Apparently my "Optional Model Update" file was cooked. I redownloaded and installed and everything back to normal.

I wish I had known that. The only way I could decide to fix it was a complete reinstall of both packages and updates...