GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the fuel pump module connector.
  2. Connect a fused jumper from the fuel pump module connector, cavity A to ground. Refer to Using Connector Test Adapters in Wiring Systems.
  3. Turn the ignition switch to the RUN position.

Did the instrument cluster fuel gauge move to the EMPTY position?

--

Go to Step 2

Go to Step 4

2

Connect a test light from the fuel pump module connector, cavity D to B +.

Did the test light illuminate?

--

Go to Step 7

Go to Step 3

3

Locate and repair the open in CKT 150 (BLK) between the fuel pump module connector, cavity D and G 400.

Is the repair complete?

--

System OK

--

4

  1. Disconnect the instrument cluster connector.
  2. Connect a test light from the instrument cluster connector, cavity 16 to B +.

Did the test light illuminate?

--

Go to Step 6

Go to Step 5

5

Locate and repair the open in CKT 30 (PPL) between the instrument cluster connector, cavity 16 and the fuel pump module connector, cavity A.

Is the repair complete?

--

System OK

--

6

Replace the instrument cluster.

Is the repair complete?

--

System OK

--

7

Replace the fuel pump module. Refer to Fuel Sender Assembly Replacement in Engine Controls.

Is the repair complete?

--

System OK

--