GM 16182455 CLUSTER A

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For those which have Delco Loc II anti-theft audio system, ensure that the lockout feature has been disabled before any operation, including battery disconnection. 1988-1994 disconnect negative cable at battery. Remove radio control module and heater control unit. Unscrew the screws holding the instrument cluster trim panel and remove it. Take out the screw which retains the cluster from behind the radio control module. Lower dash panel removal. Shift indicator cable removal from steering column shroud. Disconnect wiring harness by carefully prying instrument cluster forward and remove it from vehicle. Never separate instrument cluster from its housing as this may destroy computer chips inside this unit due to static electricity hazards involved with such separation of gadgetry components; rather, if a new one is needed, contact a dealer service department (exchange units may be available). Reverse procedure for installation. For 1995 and beyond disconnect negative cable at battery.Remove cup holder from instrument panel.Unhook four clips across top and three across bottom of instrument cluster trim panel.Remove trim panel.Disconnect electrical connectors for headlight switch, dimmer control, accessory switches.Remove mounting screws for instrument cluster taking care not to scratch plastic bezel.Carefully pull cluster out of dash.Never separate instrument cluster from its housing as this may destroy computer chips inside this unit due to static electricity hazards involved with such separation of gadgetry components; rather, if a new one is needed, contact a dealer service department (exchange units may be available).Reverse procedure for installation.

To disconnect the instrument cluster on 1988 through 1994 models, follow these steps: Disconnect the negative cable at the battery. Remove the radio control module and the heater control unit. Remove the screws retaining the instrument cluster trim panel and remove the panel. Remove the cluster retaining screw located behind the radio control module. Remove the center panel from the lower dash. Remove the shift indicator cable from the steering column shroud. Disconnect the wiring harness by carefully pulling the instrument cluster forward. Remove the cluster. Note: The instrument cluster and housing should not be separated due to the risk of static electricity damaging the computer chips within the cluster. If the instrument cluster needs replacement, it's advisable to take it to a dealer service department.