Analog Instrument Panels: Description
WARNING:
Deactivate air bag system before performing any service operation. See appropriate AIR BAG RESTRAINT SYSTEMS article. DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
Instrument Panel Cluster (IPC) uses analog speedometer and gauges. Tachometer is standard equipment on Bravada and Envoy. Tachometer is optional on all other models. See Fig 1 or Fig 2 . IPC contains a microprocessor. Communication with other modules is transmitted over Class 2 serial data bus. Instrument cluster gauges and indicators are provided input from microprocessor or directly from sending units or sensors.