GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Inspect fuse 30.

Is the fuse open?

Go to Step 4

Go to Step 2

2

  1. Turn the ignition switch to the RUN position.
  2. Using a test lamp, backprobe between connector C201 terminal A12 and ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 3

3

Repair the poor connection or an open in circuit 539.

Has the repair been made?

Go to Exterior Lights System Check

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4

Repair a short to ground in circuit 539.

Has the repair been made?

Go to Exterior Lights System Check

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5

Replace the turn signal switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Has the repair been made?

Go to Exterior Lights System Check

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