Esteem GLX Wagon Plus L4-1.6L (1998)
Panel Illumination Control Module: Testing and Inspection
ILLUMINATION CONTROLLER
INSPECTION
Use a light bulb (if equipped) (12V 3.4W) and wire as illustrated.
Move illumination controller knob upward to brighten light bulb and downward to darken it.
If it does not brighten or darken light bulb, replace illumination controller.