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 Instrument Cluster System Check

2

  1. Disconnect the instrument cluster connector.
  2. Connect a jumper to connector terminal A1 of the instrument cluster to ground.

Does the CHECK GAUGES indicator illuminate?

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Go to Step 3

Go to Step 4

3

  1. Connect the instrument cluster connector.
  2. Connect a jumper to connector terminal A13 of the instrument cluster to ground.

Does the CHECK GAUGES indicator illuminate?

--

Go to Step 5

Go to Step 7

4

Inspect the instrument cluster connector for proper terminal contact.

Was a poor connection found?

--

Go to Step 8

Go to Step 9

5

Inspect for an open in CKT 35 (DK GRN).

Was there a problem with CKT 35?

--

Go to Step 10

Go to Powertrain Control Module Diagnosis

6

Inspect for an open in CKT 25 (BRN).

Was there a problem with CKT 25?

--

Go to Step 11

Go to Powertrain Control Module Diagnosis

7

Inspect the instrument cluster connector for proper terminal contact.

Was a poor connection found?

--

Go to Step 8

Go to Step 9

8

Repair the instrument cluster terminal. Refer to Terminal Repair in Wiring Systems.

Is the repair complete?

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Go to Instrument Cluster System Check

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9

Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console.

Is the repair complete?

--

Go to Instrument Cluster System Check

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10

Repair the open in CKT 35 (DK GRN). Refer to Repairing Damaged Wire Insulation in Wiring Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

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11

Repair the open in CKT 25 (BRN). Refer to Repairing Damaged Wire Insulation in Wiring Systems.

Is the repair complete?

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Go to Instrument Cluster System Check

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