GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Exterior Lights Schematics

1

Did you perform the Lighting System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the ignition to the ON position.
  2. Place the hazard lamp switch to the ON position.

Do all of the turn signal tamps flash ON and OFF?

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

Go to Step 3

3

  1. Disconnect the hazard switch.
  2. Using a test lamp connected to a known good ground, probe the HAZ SW fuse battery positive voltage circuit.

Does the test lamp illuminate?

Go to Step 5

Go to Step 4

4

Repair a high resistance, open or short to ground in the HAZ SW fuse battery positive voltage circuit. Refer to Wiring Repairs and to Connector Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 6

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5

Replace the hazard switch. Refer to Hazard Warning Switch Replacement in Instrument Panel, Gages and Console.

Did you complete the replacement?

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 2