GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the IP cluster connector at the instrument cluster.
  2. Place the ignition switch in the RUN position.
  3. Connect a test lamp from CKT 39 (PNK) at instrument cluster harness connector terminals 9, 27, 32, and chassis ground.

Did the test lamp light?

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Go to Step  2

Go to Step 3

2

Use a J 39200 DMM between instrument cluster connector terminals 15, 20, 25, and chassis ground.

Does the DMM indicate continuity?

Go to Instrument Cluster Replacement

Go to Step 4

3

Locate and repair the open in CKT 39 (PNK) between the IP fuse block IGN 1 circuit breaker and the IP cluster harness connector.

Is the repair complete?

--

System OK

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4

Locate and repair the open in CKT 250/150 (BLK) between the instrument cluster and ground.

Is the repair complete?

System OK

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