Installing White Face Gauges on a 95+ J-body
Remove the dash by removing the 2 screws on the left side, 2 on the right, and the screw on either side under the removable panel, 3 screws in the glove box, as well as 2 at the rear of the glove box behind the airbag, and then remove the center defroster vent and the 2 screws below that, and finally the 3 screws holding the front trim in place. (see howto on removing dash)
Remove instrument cluster by removing 2 screws at the top. Remove clear gauge cluster cover by removing several small screws on the front of it.
Remove needles using puller tool. Remove old overlay by pulling on it. Install your new overlay and replace the dash.