Interior Lights Dimming System Check. Chevrolet Chevy Suburban

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy Suburban - 2WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Interior Lights Dimming System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

Place the headlamp and panel dimmer switch in the PARK position.

•	Park lamps light.

•	The dimmable interior lamps light.

•	Instrument Panel Lamps Inoperative .

•	Instrument Panel Lamps Inoperative in Parade Mode .

Rotate the panel dimmer switch in both directions to increase and decrease the brightness of the interior lamps.

The dimmable interior lamps increase and decrease brightness in direct response to the panel dimmer switch position.

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.