Originally Posted by markwb
The vanity lamps in my rig do not flicker. Looking at the schematic though for an 01 Bonneville reveals a dimmer (slider switch located adjacent to mirror) on driver & passenger vanity lamp. I don't have the capability to dim the vanity lamps. There must have been changes in the lamp circuits between 00 and 03. That'* all I can figure. Do your vanity lamps have these integrated dimmers? If so, you may have to follow the advice of wren & take a closer look at the variable resistors.
No dimmers on mine. Prolly is just the resistors, but not being an electrician I guess I'll just have to live with it for the time being.