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 to 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

    • LH is on at all times: Repair a short to B+ on circuit 18.
    • RH is on at all times: Repair a short to B+ on circuit 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?

--

Go to Step 5

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5

  1. Turn the ignition switch to the OFF position.
  2. Reconnect all connectors/components removed.

Have all repairs been made?

--

Go to Exterior Lights System Check

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