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

Does the speedometer indicate the correct vehicle speed ?

--

Go to Step 3

Go to Step 4

3

  1. Disconnect the fuel sender assembly connector.
  2. Turn the ignition switch to the ON position.

Does the fuel gauge indicate empty?

--

Go to Step 5

Go to Step 6

4

Test the BRN wire using a J 39200 between the instrument cluster assembly C3 cavity 15 and G202 for an open.

Does the wire have an open?

--

Go to Step 8

Go to Step 10

5

Replace the fuel sender assembly. Refer to Fuel Sender Assembly Replacement in Engine Controls.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

6

Test the YEL/RED wire using a J 39200 between the instrument cluster assembly C1 cavity 9 and the fuel sender assembly for an open.

Does the wire have an open?

--

Go to Step 9

Go to Step 7

7

Replace the fuel gauge. Refer to Fuel Gage Replacement in Engine Controls.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

8

Repair the short in the BRN wire between the instrument cluster assembly C3 cavity 15 and G202. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

9

Repair the open in the YEL/RED wire between the instrument cluster assembly C1 cavity 9 and the fuel sender assembly. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Instrument Cluster System Check

--

10

Inspect the instrument cluster assembly printed circuit for damage.

Does the printed circuit have any problems?

--

Go to Step 11

Go to Step 7

11

Replace the instrument cluster printed circuit. Refer to Printed Instrument Cluster Circuit Replacement .

Is the repair complete?

--

Go to Instrument Cluster System Check

--