GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

Inspect the following circuits for a short to ground or B+:

    • Connector C1 terminal D9
    • Connector C1 terminal C9
    • Connector C1 terminal C8
    • Connector C1 terminal D8

Was a fault found in any of the wiring?

--

Go to Step 3

Go to Step 4

3

Repair the wiring.

Is the repair complete?

--

Go to Diagnostic System Check - Instrument Cluster

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4

Inspect the following terminals for proper terminal contact:

    • Connector C1 terminal C9
    • Connector C1 terminal D9
    • Connector C1 terminal C8
    • Connector C1 terminal D8

Were the terminal contacts OK?

--

Go to Step 6

Go to Step 5

5

Repair the poor terminal connection.

Is the repair complete?

--

Go to Diagnostic System Check - Instrument Cluster

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6

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

Go to Diagnostic System Check - Instrument Cluster

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