GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1998 🢒 Silhouette 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Primary Brake Indicator or Alarm Inoperative with Low Brake Fluid

Step

Action

Value(s)

Yes

No

1
  1. Turn the ignition switch to the RUN position.
  2. Set the parking brake.
  3. Release the parking brake.

Is the BRAKE warning indicator on?

--

Go to Step 2

Go to Brake Warning Indicator Inoperative in Hydraulic Brakes

2
  1. Disconnect the brake fluid level indicator sensor.
  2. Turn the ignition switch to the RUN position.
  3. Connect a fused (3-amp) jumper between the brake fluid level indicator sensor harness connector terminal A and terminal B.

Is the BRAKE warning indicator on?

--

Go to Step 3

Go to Step 4

3

Replace the brake fluid level sensor. Refer to Brake Fluid Level Indicator Switch Replacement in Hydraulic Brakes.

Has the repair been made and the system rechecked?

--

System OK

--

4
  1. Turn the ignition switch to the RUN position.
  2. Connect a fused (3-amp) jumper between the brake fluid level indicator sensor harness connector terminal B and ground.

Is the BRAKE warning indicator on?

--

Go to Step 5

Go to Step 6

5

Repair a poor connection or open in CKT 1450 between the brake fluid level sensor harness connector terminal A and G200.

Has the repair been made and the system rechecked?

--

System OK

--

6

Repair the poor connection or open in CKT 33 between S207 and the brake fluid level sensor harness connector terminal B.

Has the repair been made and the system rechecked?

--

System OK

--