GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire headlight system check performed?

--

Go to Step 2

Go to Headlight System Check

2

Do the low beam headlights operate properly?

--

Go to Step 3

Go to Headlamps Inoperative - Low Beams

3

  1. Turn the headlamps on.
  2. Turn the headlamp dimmer switch to the high beam position.

Does the high beam indicator light?

--

Go to Step 4

Go to Step 5

4

Repair a poor connection or an open in circuit 11.

Is the repair complete?

--

Go to Step 6

--

5

Replace the headlamp dimmer switch.

Is the repair complete?

--

Go to Step 6

--

6

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

Have all repairs been made?

--

Go to Headlight System Check

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