GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy Suburban 4WD - RHD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Brake Warning Indicator Inoperative

Step

Action

Value(s)

Yes

No

1

Has the brake warning system check been performed?

Go to Step 2

Go to Brake Warning System Check in 1999 C/K service manual

2
  1. Disconnect the connector at the park brake warning switch.
  2. Connect a fused jumper wire between the park brake warning switch connector cavity A for the CKT 33 (TAN/WHT) and ground.

Is the brake indicator illuminated?

--

Go to Step 3

Go to Step 5

3

Adjust the park brake warning switch. Refer to park brake warning switch adjustment in 1999 C/K service manual.

Is the brake indicator illuminated?

--

Go to Brake Warning System Check in 1999 C/K service manual

Go to Step 4

4

Replace the park brake warning switch. Refer to park brake warning switch replacement in 1999 C/K service manual.

Is the brake indicator illuminated?

--

Go to Brake Warning System Check in 1999 C/K service manual

--

5
  1. Disconnect the connector at the instrument cluster.
  2. Connect a test lamp between the instrument cluster connector cavity 31 and ground.

Does the test lamp light?

--

Go to Step 7

Go to Step 6

6

Repair the open in CKT 39 (PNK) between the IP fuse block and the instrument cluster. Refer to Wiring Repairs in wiring.

Is the brake indicator illuminated?

--

Go to Brake Warning System Check in 1999 C/K service manual

--

7
  1. Disconnect the electronic brake control module (EBCM).
  2. Disconnect the park brake warning switch.
  3. Connect a DMM between the instrument cluster connector cavity 17 and then the EBCM connector cavity F and the instrument cluster connector cavity 17 and the park brake warning switch cavity A of the CKT 33 (TAN/WHT).

Is there continuity?

--

Go to Step 9

Go to Step 8

8

Repair the open in CKT 33 (TAN/WHT) between the instrument cluster and the EBCM or the park brake warning switch. Refer to Wiring Repairs in wiring.

Is the brake indicator illuminated?

--

Go to Brake Warning System Check in 1999 C/K service manual

--

9
  1. Connect a DMM between the EBCM connector C1 cavity H and ground.
  2. Test for continuity.

Is there continuity?

--

Go to Step 10

Go to Step 14

10
  1. Disconnect connector C1 at the EBCM and the brake pressure warning switch.
  2. Connect a DMM between the EBCM connector C1 cavity H for CKT 680 (PPL) and the brake pressure warning switch cavity A.
  3. Test for continuity.

Is there continuity?

--

Go to Step 12

Go to Step 11

11

Repair the open in CKT 680 (PPL) between the brake pressure warning switch and the EBCM. Refer to Wiring Repairs in wiring.

Is the condition repaired?

--

Go to Brake Warning System Check in 1999 C/K service manual

--

12
  1. Connect a DMM between the brake pressure differential switch connector cavity B for CKT 150 (BLK) and ground.
  2. Test for continuity.

Is there continuity?

--

Go to Step 14

Go to Step 13

13

Repair the open in CKT 150 (BLK) between the brake pressure differential switch and ground G105. Refer to Wiring Repairs in wiring.

Is the brake indicator illuminated?

--

Go to Brake Warning System Check in 1999 C/K service manual

--

14

Replace the brake pressure warning switch. Refer to brake pressure warning switch replacement in 1999 C/K service manual.

Is the condition repaired?

--

Go to Brake Warning System Check in 1999 C/K service manual

--

15

Replace the instrument cluster. Refer to Instrument Cluster Replacement in instrument panel.

Is the repair complete?

Go to Brake Warning System Check in 1999 C/K service manual