GM Service Manual Online
For 1990-2009 cars only

Indicator

Bulbs to Check

Important: When replacing a bulb, ensure that you replace the bulb with the same type. If you use the incorrect bulb, the driver information center (DIC) will continue to display a bulb outage.

If the driver information center (DIC) displays bulb indicator outages, use the following chart before proceeding with the diagnosis in order to determine if a bulb is burnt out. Verify the proper bulb type.

The high beam indicator lights.

The 2 high beam bulbs

The low beam indicator lights.

The 2 low beam bulbs

The park lamp lights.

    • The LH park/turn bulb
    • The LH side marker bulb
    • The RH park/turn bulb
    • The RH side marker bulb

The turn lamp lights.

    • The LH front turn signal bulb.
    • The RH front turn signal bulb.
    • The LH rear turn signal bulb.
    • The RH rear turn signal bulb.

The taillamp indicator lights.

    • The 2 left tail bulbs
    • The 2 right tail bulbs
    • The 2 licence bulbs
    • The 4 tail/turn/stop bulbs
    • The LH rear side marker bulb
    • The RH rear side marker bulb

The backup indicator lights.

The 2 backup bulbs

The brake lamp indicator comes on

    • The 4 stop/turn tail bulbs
    • The 1 CHMSL bulb

The taillamp indicator and the brake indicator light at the same time.

    • The 2 LH stop/turn/tail bulbs
    • The 2 right stop/turn/tail/bulbs