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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1322 (Lighting Systems) >> Diagnostic Information and Procedures >> Hazard Lamps Always On

Hazard Lamps Always On

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Hazard Lamps Always On

Step Action Yes No
Schematic Reference: Exterior Lights Schematics 
1 Did you review the Lighting System Description and Operation and perform the necessary inspections? Go to Step 2  Go to Symptoms - Lighting Systems 
2 Verify that the hazard lamps are always on.
Does the system operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Remove the hazard switch
Did the hazard lamps turn off?
Go to Step 4  Go to Step 5 
4 Replace the hazard switch. Refer to Hazard Warning Switch Replacement .
Is the replacement complete?
Go to Step 8  -
5 With the hazard switch and flasher relay removed. Check for continuity to ground between cavity 4 of the hazard switch and cavity 8 of the flasher relay. Refer to Circuit Testing in Wiring Systems.
Is a ground present?
Go to Step 6  Go to Step 7 
6 Repair short to ground between cavity 4 of the hazard switch and cavity 8 of the flasher relay. Refer to Wiring Repairs in Wiring
Did you complete the repair?
Go to Step 8  -
7 Replace the flasher relay. Refer to Hazard and Turn Signal Flasher Replacement 
Did you complete the replacement?
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