Quote Originally Posted by DanGTP View Post
But if the headlights come on by themselves, then that's not the problem. The parking brake triggers the headlights off, which keeps the dash lights off as well. When you manually turn on the headlights, the dash lights come on with them.
I had a guy come in yesterday with the same problem in a Regal GS. It ended up being his dimmer switch had gone out. The radio and climate controls would black out, along with the dash lights not coming on, when the headlights came on, and adjusting the dimmer did nothing. He replaced the switch, and all was well.
Quote Originally Posted by mongo View Post
the dimmer switch has been ruled out. EO, lights on (manualy) no head lights, or dash lights...I placed a towel over the photo sensor and they still didnt come on.
I pulled both lamps and they passed, as did the new spare bulb I installed as a control. I dont even get the high beam indicator light and it is brilliant blue when on.

thanks
^^^