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 TR Switch connector C1.
  2. Connect a J 39200 DMM  (continuity) between cavity D of the TR Switch connector C1 and ground.

Is continuity present?

--

Go to Step 4

Go to Step 3

3

Locate and repair the open in CKT 150 (BLK) between the TR Switch and G105. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

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4

  1. Remove the I/P Cluster.
  2. Turn the ignition switch to the RUN position.
  3. Connect a J 39200 DMM (volts) between pin 15 of the I/P Cluster connector to ground.

Is battery voltage present?

--

Go to Step 6

Go to Step 5

5

Locate and repair the open in CKT 1020 (PNK) between the IP Fuse Block and the I/P Cluster. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

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6

Connect a J 39200 DMM (continuity) between pin 11 of the I/P Cluster connector to ground.

Is continuity present?

--

Go to Step 8

Go to Step 7

7

Locate and repair the open in CKT 451 (BLK/WHT) between the I/P Cluster and ground. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

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8

Replace the I/P Cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

Go to Instrument Cluster System Check

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