GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Stop Lamps Inoperative

Stop Lamps Inoperative VE1

Step

Action

Value(s)

Yes

No

1

Did you perform the Exterior Lights System Check?

--

Go to Step 2

Go to Exterior Lights System Check

2
  1. Disconnect the Brake Pedal Position switch.
  2. Connect a test lamp J 35616-200 from CKT 140 (ORN) cavity B at the Brake Pedal Position switch to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Connect a fused jumper from CKT 17 (WHT) cavity A to CKT 140 (ORN) cavity B of the Brake Pedal Position switch.

Do the stop lamps light?

--

Go to Step 5

Go to Step 6

4

Repair the open in CKT 140 (ORN) between the Brake Pedal Position switch and splice S221.

Is the repair complete?

--

Go to Exterior Lights System Check

--

5

Replace the Brake Pedal Position switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes.

Is the replacement complete?

--

Go to Exterior Lights System Check

--

6

Repair the open in CKT 17 (WHT) between the Brake Pedal Position switch and splice S400.

Is the repair complete?

--

Go to Exterior Lights System Check

--

Stop Lamps Inoperative Non VE1

Step

Action

Value(s)

Yes

No

1

Did you perform the Exterior Lights System Check?

--

Go to Step 2

Go to Exterior Lights System Check

2
  1. Apply and hold the brake pedal.
  2. Verify that the center high mount stoplamp (CHMSL) is inoperative along with the left and right stoplamp.

Is the CHMSL also inoperative?

--

Go to Step 3

Go to Step 8

3
  1. Disconnect the brake pedal position switch.
  2. Connect a test lamp J 35616-200 from CKT 140 (ORN) cavity B and the brake pedal position switch to ground.

Does the test lamp light?

 

Go to Step 4

Go to Step 5

4

Connect a fused jumper from CKT 17 (WHT) cavity A to CKT 140 (ORN) cavity B of the brake pedal position switch.

Do the stoplamps light?

--

Go to Step 6

Go to Step 7

5

Repair the open in CKT 140 (ORN) between the brake pedal position switch and splice S221

Is the repair complete?

--

Go to Exterior Lights System Check

--

6

Replace the brake pedal position switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes.

Is the repair complete?

--

Go to Exterior Lights System Check

--

7

Repair the open in CKT 17 (WHT) between the brake pedal position switch and splice S200.

Is the repair complete?

--

Go to Exterior Lights System Check

--

8

Using a test light J 35616-200 . Backprobe CKT 17 (WHT) convertor C201 cavity A1 at the turn/hazard switch.

Does the test lamp light?

--

Go to Step 10

Go to Step 9

9

Repair the open in CKT 17 (WHT) between turn/hazard switch connector C201 and splice S200.

Is the repair complete?

--

Go to Exterior Lights System Check

--

10

Replace the turn/hazard switch.

Is the repair complete?

--

Go to Exterior Lights System Check

--