Instrument Panel, Gauges and Warning Indicators: Service Precautions

- Do not use a test lamp to diagnose the IPC electrical Systems unless specifically instructed by the diagnostic procedure.
- Use the J 35616 Connector Test Adapter when diagnostic procedures require the probing of connectors.
- The instrument panel cluster (IPC) will withstand normal current draws associated with vehicle operation.
- Avoid overloading any circuit.
- Do no ground or apply voltage to the IPC circuits unless instructed to do so when testing for opens or shorts.
- Circuits may only be tested using a J 39200 Digital Multimeter or the equivalent.
- Test the electrical circuits with a J 39200 DMM while the IPC connector remains connected to the PC or the recommended breakout box.
- Do not remove or apply voltage to the IPC with the key in the RUN position.
- Always turn the key to the LOCK position before removing or connecting battery cables, fuses or connectors.
- Follow the removal and replacement instructions whenever you perform an IPC removal or replacement.