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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1657 (Lighting Systems) >> Diagnostic Information and Procedures >> Stop Lamps Always On

Stop Lamps Always On

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Stop Lamps Always On

Step Action Yes No
Schematic Reference:  Exterior Lights Schematics  
1 Did you review the Exterior Lighting Systems Description and Operation and perform the necessary inspections? Go to Step 2  Go to Exterior Lighting Systems Description and Operation 
2 Verify that the stop lamps are always on.
Do the stop lamps operate normally?
Go to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS in Wiring Systems Go to Step 3 
3 Disconnect the stop lamp switch.
Do the stop lamps remain illuminated?
Go to Step 4  Go to Step 6 
4 Disconnect the turn/hazard flasher.
Do the stop lamps remain illuminated?
Go to Step 5  Go to Step 7 
5 Repair the short to voltage in one of the following circuits. Refer to WIRING REPAIRS in Wiring Systems.
  • Stop lamp switch signal
  • CHMSL supply voltage
  • Stop lamp supply voltage

Did you complete the repair?
Go to Step 8  -
6 Replace the stop lamp switch. Refer to STOPLIGHT SWITCH in Hydraulic Brakes.
Did you complete the repair?
Go to Step 8  -
7 Replace the hazard/turn flasher. Refer to Hazard and Turn Signal Flasher Replacement .
Did you complete the repair?
Go to Step 8  -
8 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3