GM 25045312 INST CLUST

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To begin, disconnect the battery ground cable and remove the glove box for access to the instrument panel pad fasteners on the right side. Next, take out the center air outlet from the dash and extract the four screws located above the instruments. Gently pull and pry the instrument panel loose from the clips on the dash, then disconnect the stereo/tape player if it is fitted. Remove the lap cooler from under the steering column, followed by the three screws from the underside of the dash. For vehicles with automatic transmission, disconnect the shift indicator cable and the electrical wiring from the radio. Lower the steering column, extract the screws from the top of the instrument panel, and gently lift and tilt the panel forward. Disconnect the speedometer cable from the rear of the speedometer head and all electrical wiring and plugs. Remove the indicator lamp bezel by taking out the four screw covers and then extracting the screws, followed by removing the eight screws that hold the instrument cluster to the carrier and the individual instruments as required. For 1970 models, note that studs are used at the glove box opening and screws at the instrument carrier, and the instrument panel trim plate must be removed with a hooked tool to release the studs. Disconnect the instrument carrier from the panel lower reinforcement and the parking brake pedal bracket, and remove the ashtray and its bracket. From 1971 to 1976, access to the instruments is obtained after removing the instrument cluster control shroud. For models from 1977 onward, unscrew and remove the nuts from the two studs in the lower corner of the cluster, reach behind to disconnect the speedometer cable, and then withdraw the cluster complete, removing individual instruments as necessary.