GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire Exterior Lights System Check performed?

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Go to Step  2

Go to Exterior Lights System Check

2

  1. Turn the ignition switch to the OFF position.
  2. Place the turn signal in the OFF position.
  3. Disconnect the turn signal switch C216.

Are the turn signal lamps on?

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Go to Step  3

Go to Step  4

3

    • The LH turn signal is on at all times: Repair a short to B+ on CKT 18.
    • The RH turn signal is on at all times: Repair a short to B+ on CKT 19.

Is the repair complete?

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Go to Step  5

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4

Replace the turn/hazard switch assembly. Refer to Hazard Warning Switch Replacement .

Is the repair complete?

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Go to Step  5

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5

  1. Turn the ignition switch to the OFF position.
  2. Reconnect all of the connectors and components that were previously removed.

Have all repairs been made?

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Go to Exterior Lights System Check

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