GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Tahoe 4WD - RHD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Fuel Gauge Always Indicates Empty

Fuel Gauge Always Indicates Empty Gasoline

Step

Action

Value(s)

Yes

No

1
  1. Disconnect the connector at the fuel pump and sender.
  2. Place the ignition switch in RUN.

Does the fuel gauge indicate empty?

Go to Step 3

Go to Step 2

2

Replace the fuel pump and sender.

Is the repair complete?

System OK

3
  1. Place the ignition switch in OFF.
  2. Disconnect the connector at the instrument cluster.
  3. Connect a self-powered test lamp from the instrument cluster connector cavity 29 to ground.

Does the test lamp light?

Go to Step 4

Go to Step 5

4

Locate and repair the short to ground in the CKT 30 (PPL) wire between the instrument cluster and the vehicle control module (VCM).

Is the repair complete?

System OK

5
  1. Place the ignition switch in OFF.
  2. Disconnect the connector at the instrument cluster.
  3. Connect a self-powered test lamp from the VCM connector C3 cavity 13 to ground.

Does the test lamp light?

Go to Step 7

Go to Step 6

6

Locate and repair the short to ground in the CKT 1589 (PPL/WHT) wire between the VCM and the fuel pump and sender.

Is the repair complete?

System OK

7

Replace the instrument cluster.

Is the repair complete?

System OK

Fuel Gauge Always Indicates Empty Diesel

Step

Action

Value(s)

Yes

No

1
  1. Disconnect the connector at the fuel gauge sender.
  2. Place the ignition switch in RUN.

Does the fuel gauge indicate empty?

Go to Step 3

Go to Step 2

2

Replace the fuel gauge sender.

Is the repair complete?

System OK

3
  1. Place the ignition switch in OFF
  2. Disconnect the connector at the instrument cluster.
  3. Connect a self-powered test lamp from the instrument cluster connector cavity 29 to ground.

Does the test lamp light?

Go to Step 4

Go to Step 5

4

Locate and repair the short to ground in the CKT 30 (PPL) wire between the instrument cluster and the fuel gauge sender.

Is the repair complete?

System OK

5

Replace the instrument cluster.

Is the repair complete?

System OK