GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

--

Go to Step  2

Go to Instrument Cluster System Check

2

  1. Disconnect the windshield washer solvent level switch connector.
  2. Turn the ignition switch to the RUN position.
  3. Measure the voltage between connector terminal B (BLK) and ground.

Does the measured voltage equal the specified value?

12 V

Go to Step  5

Go to Step  3

3

Inspect CKT 99 (BLK) for a open or short to ground.

Is the wiring OK?

--

Go to Step  6

Go to Step  4

4

Repair the wiring in CKT 99 (BLK).

Is the repair complete?

--

Go to Instrument Cluster System Check

--

5

Measure the voltage between the connector terminal B (BLK) and the connector terminal A (BLK).

Does the measured voltage equal the specified value?

12 V

Go to Step  11

Go to Step  8

6

Inspect the instrument cluster connector  C1 for proper terminal contact.

Is the terminal OK?

--

Go to Step  15

Go to Step  14

7

Replace the instrument cluster.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

8

Inspect CKT 1350 (BLK) for a open.

Is the wiring OK?

--

Go to Step  10

Go to Step  9

9

Repair the wiring in CKT 1350 (BLK).

Is the repair complete?

--

Go to Step  10

--

10

Inspect the in-line connector C105 for proper terminal contact.

Is the terminal OK?

--

Go to Instrument Cluster System Check

--

11

Inspect the windshield washer solvent level switch connector for proper terminal contact.

Is the terminal OK?

--

Go to Step  12

Go to Step  13

12

Replace the washer fluid level switch.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

13

Repair the windshield washer solvent level switch connector terminals.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

14

Repair the poor connection.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

15

Inspect the in-line connector C105 for proper terminal contact.

Are the terminals OK?

--

Go to Step  7

Go to Step  14