All gauges on dash of my truck have stopped working speedometer, rpm, enginelite on 1999 GMC Sierra 1500

I was recently installing my new after market stereo and shocked to wires now my gauges have stopped working any help on info would be much appreciated was told it might be a fuse not sure what one. Thanks

1 answer 2 comments
ck fuses to start with
Is there a fuse that would be connected to these and if not a fuse is there anything els that could possibly be leading to the problem of all gauges not working
you could have blown cluster circuit board