Instrument Cluster/Dash lights all out. Any ideas?

Thanks Raghorn and dncstrever same for me: all my dashboard and shifter lights were out. It was a blown 10 amp fuse under the hood for the tail light. Swapped it out and now my dashboard and shifter lights work again.

 

Pull the plug behind your dimmer switch and check to see if you're getting electrical power to it if you are then check the other side of the switch when you turn the dimmer it should show your electric going up or down you will have to use a voltmeter that you can pick up over at Harbor Freight to test it