All Gauges Inoperative
- Disconnect instrument panel harness connector. Turn ignition switch to RUN position. Connect a non-powered test light between instrument cluster connector terminal No. B17 (Pink wire) and ground. See Fig 1. If test light lights, go to next step. If test light does not light, repair open in Pink wire between instrument panel fuse block and instrument cluster connector.
Courtesy of GENERAL MOTORS CORP.
- Connect non-powered test light between instrument cluster connector terminal No. B13 (Black/White or Tan/White wire) and terminal No. B17 (Pink wire). If test light lights, replace instrument cluster. If test light does not light, repair open in Black/White or Tan/White wire between instrument cluster connector and ground connection G201. See WIRING DIAGRAMS .