GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Exterior Lights Schematics

Connector End View Reference: Master Electrical Component List

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

Place the hazard switch to the ON position.

Do the hazard lamps turn ON?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Disconnect connector C215.
  2. Using a test lamp connected to ground, probe the STP HAZ fuse circuit.

Does the test lamp illuminate?

Go to Step 5

Go to Step 4

4

Repair the open, high resistance, or short to ground in the STP HAZ circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 6

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5

Replace the hazard warning switch. Refer to Hazard Warning Switch Replacement .

Is the repair complete?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3