GM Service Manual Online
For 1990-2009 cars only

Brake Warning Indicator Inoperative Without UJ1

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to RUN.
  2. Observe the volt meter in the instrument cluster.

Does the meter indicate the presence of B+?

--

Go to Step 5

Go to Step 2

2

Inspect the GAUGES fuse 8.

Is the fuse blown?

--

Go to Step 3

Go to Step 4

3

Replace the GAUGES fuse 8.

Is the repair complete?

--

System OK

--

4

  1. Find the open in circuit 39 (PNK) between the GAUGES fuse 8 and instrument cluster terminal 22.
  2. Repair circuit 39 as required.

Is the repair complete?

--

System OK

--

5

Use a fused jumper wire to connect the instrument cluster terminal 28 to ground. Refer to Using Fused Jumper Wires .

Does the BRAKE lamp illuminate?

--

Go to Step 6

Go to Step 7

6

Find the open in circuit 33 (TAN/WHT) between instrument cluster terminal 28 and splice S205.

Is the repair complete?

--

System OK

--

7

Examine the BRAKE lamp.

Is the lamp OK?

--

Go to Step 8

Go to Step 9

8

Replace the BRAKE lamp.

Is the repair complete?

--

System OK

--

9

Replace the instrument cluster.

Is the repair complete?

--

System OK

--