GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the headlight system check performed?

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Go To Step 2

Go To Headlight System Check

2

  1. Turn the headlamp switch to the HEAD position.
  2. Turn the headlamp dimmer switch to the HIGH position.

Is the I/P indicator on?

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Go To Step 3

Go To Step 6

3

Check for a poor connection or open in circuit 1750 between connector C201 terminal X and S283.

Is there a poor connection or open?

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Go To Step 4

Go To Step 5

4

Repair poor connection or open in circuit 1750 between connector C201 terminal X and S283.

Is the repair commplete?

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Go To Headlight System Check

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5

Replace the headlamp switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle for service procedure.

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Go To Headlight System Check

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6

Refer to High Beam Indicator Inoperative for further diagnosis of the high beam indicator.

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