Stop Lamps Inoperative
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Stop Lamps Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Lighting Systems? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 2 | Press down the brake pedal. Do all of the stop lamps illuminate? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Is only one lamp inoperative? | Go to Step 4 | Go to Step 5 |
| 4 |
|
Go to Step 17 | Go to Step 18 |
| 5 | Are all of the stop lamps, including the high mounted stop lamps, inoperative? | Go to Step 6 | Go to Step 8 |
| 6 |
|
Go to Step 7 | Go to Step 19 |
| 7 | Connect a 20-amp fused jumper wire between the battery positive voltage circuit of the brake switch and the stop lamp supply voltage circuit. Do the stop lamps illuminate? |
Go to Step 13 | Go to Step 20 |
| 8 | Are the high mounted stop lamps inoperative? | Go to Step 9 | Go to Step 11 |
| 9 | Test the stop lamp supply voltage circuit of the high mounted stop lamps for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 24 | Go to Step 10 |
| 10 | Test the ground circuit of the high mounted stop lamps for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 24 | Go to Step 16 |
| 11 |
IMPORTANT:
Ensure that the bulb and socket is not damaged. With an open circuit through the bulb, the filament may remain intact.
|
Go to Step 17 | Go to Step 12 |
| 12 | Test for an open or high resistance in the stop lamp supply voltage circuit between splice 206 and the turn/hazard headlamp switch assembly. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 24 | Go to Step 15 |
| 13 | Inspect for poor connections at the harness connector of the brake switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 24 | Go to Step 14 |
| 14 | Inspect the brake switch for proper adjustment. Refer to Stop Lamp Switch Adjustment in Hydraulic Brakes. Did you find and correct the condition? |
Go to Step 24 | Go to Step 21 |
| 15 | Inspect for poor connections at the harness connector of the turn/hazard headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 24 | Go to Step 22 |
| 16 | Inspect for poor connections at the harness connector of the high mounted stop lamps. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 24 | Go to Step 23 |
| 17 | Repair an open or high resistance in the ground circuit of the inoperative lamp. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 24 | - |
| 18 | Repair an open or high resistance in the stop lamp supply voltage circuit of the inoperative lamp. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 24 | - |
| 19 | Repair an open, high resistance, or short to ground in the battery positive voltage circuit of the brake switch. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 24 | - |
| 20 | Repair an open or high resistance in the stop lamp supply voltage circuit between the brake switch and splice 206. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 24 | - |
| 21 | Replace the brake switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Did you complete the replacement? |
Go to Step 24 | - |
| 22 | Replace the turn/hazard headlamp switch. Refer to Multifunction, Turn Signal Switch Replacement
in Steering Wheel and Column. Did you complete the replacement? |
Go to Step 24 | - |
| 23 | Replace the high mounted stop lamp assembly. Refer to High Mounted Stop Lamp Replacement (Rear Window Panel Mounted) or High Mounted Stop Lamp Replacement (Pontiac Rear Spoiler) or High Mounted Stop Lamp Replacement (Chevrolet Rear Spoiler) . Did you complete the replacement? |
Go to Step 24 | - |
| 24 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |