GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Exterior Lights System Check?

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Go to Step  2

Go to Exterior Lights System Check

2

  1. Turn the ignition switch to the ON position.
  2. Turn the turn/hazard - headlamp switch assembly to the HEAD position.
  3. Disconnect the license lamp connector.
  4. Connect the test lamp between terminal A of the license lamp harness connector and ground.

Does the test lamp illuminate?

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Go to Step  3

Go to Step  4

3

Connect the test lamp between terminal A and terminal B of the license lamp harness connector.

Does the test lamp illuminate?

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Go to Step  5

Go to Step  6

4

    • Repair the open in CKT 41 between S300 and the license lamp.
    • Repair the open in CKT 41 between S200 and the license lamp.

Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Exterior Lights System Check

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5

Replace the license lamp.

Did you complete the repair?

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Go to Exterior Lights System Check

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6

Repair the open in CKT 150 between the license lamp and S330. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Exterior Lights System Check

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