There are two basic ways to get it out, disconnect all the wires, speedo cable, oil pressure line if you have one and the bulbs from the back of the cluster. Then:
-from behind the dash, remove the 6 or 8 small screws that hold the cluster to the dash bezel and remove the bezel from under the dash. It's kind of cramped with wires and braces everywhere so I prefer to use the next method.
-remove all the screws holding the dash bezel to the dashboard. Remove the radio. Disconnect the lights, wiper and ignition wire connectors. Pull the bezel with the gauges attached out of the dash board. Once removed you can remove the gauges as a unit much more easily.
If you want to remove the under dash wiring as well, you can simply take the wiring loose at the firewall and pull the dash bezel, gauges and switches out as one huge unit.
They each have a nut holding the switch onto the bezel. The nut should have two small holes and requires a special tool to get them loose. You can make a cheap tool however. Find an old dinner fork you don't use any more. Either cut out or bend out of the way the two center tines leaving the two outside tines in place.
Now, remove the knobs. The wiper switch knob has a set screw that holds it on. The light switch knob has a release button on the back side. Pull the knob out all the way. Depress the release button which is found just above where the wires clip on and then pull the knob out of the switch altogether. Now you have access to the mounting nuts. Stick the fork with two tines into the two holes in the nut. You should be able to make enough torque to break the nut loose then it should come off with your fingers. Be careful using the fork-tool. If you slip off the nut you will very likely scratch and damage your dash bezel!
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