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. Place the ignition switch in the RUN position.
  2. Turn the hazard flashed switch OFF.
  3. Place a turn signal ON.

Does the turn signal operate?

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Go to Step 3

Go to Turn Signal Lamps Inoperative

3

  1. Place the turn signal in the OFF position.
  2. Disconnect th e turn/hazard switch (part of C201).
  3. Connect a test lampJ 35616-200 from CKT 140 cavity E8 at C201 to ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4

  1. Reconnect the turn signal switch.
  2. Turn the haz ard flashers ON.
  3. Use a test lampJ 35616-200 to backprobe CKT 61 (LT GRN) cavity E1 at the connector C201 to ground.

Does the test lamp light?

--

Go to Step 6

Go to Step 7

5

Repair the open in CKT 140 (ORN) from the turn signal switch to the instrument panel fuse block.

Is the repair complete?

--

Go to Exterior Lights System Check

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6

Repair the open in CKT 61 (LT GRN) between the turn signal switch and S208.

Is the repair complete?

--

Go to Exterior Lights System Check

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7

Replace the turn/hazard switch. Refer to one of the following diagnostic tables:

    • Infl Rst Steering Wheel Module Coil - Assemble
    • Steering Column Tilt Head Assembly Disassemble
    • Steering Column Tilt Head Assembly Assemble

Is the repair complete?

--

Go to Exterior Lights System Check

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