Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

Verify the volt gauge is inaccurate or inoperative.

Does the volt gauge operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Turn ON the ignition, with the engine OFF.
2. Remove the combs for the instrument cluster connector.
3. Backprobe the instrument cluster connector with a J 39200 DMM and measure the voltage between the ignition 1 voltage circuit and ground with the instrument cluster connected.
4. Compare the DC voltage reading on the J 39200 DMM and the voltmeter display on the cluster. Refer to Circuit Testing in Wiring Systems.

Does the cluster and the DMM display the approximately the same values?

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Go to Step 5

Go to Step 4

Replace the instrument cluster. Refer to Instrument Cluster Replacement

Did you complete the replacement?

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Go to Step 5

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3