GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2

  1. Turn on the left turn signal.
  2. Turn on the right turn signal.

Does each turn signal activate the appropriate turn signal indicator on the instrument cluster?

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Go to Step 5

Go to Step 3

3

Inspect the suspect CKT for an open.

Are both CKTs OK?

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Go to Diagnostic System Check - Instrument Cluster

Go to Step 4

4

Repair the faulty CKT. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Diagnostic System Check - Instrument Cluster

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5

Inspect the instrument cluster connectors for proper terminal contact.

Are the terminal contacts OK?

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Go to Step 6

Go to Step 7

6

Replace the instrument panel cluster. Refer to Instrument Cluster Replacement .

Did you complete the repair?

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Go to Diagnostic System Check - Instrument Cluster

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7

Repair the faulty connectors. Refer to Connector Repairs in Wiring Systems.

Did you complete the repair?

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Go to Diagnostic System Check - Instrument Cluster

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