Ok, my bonnie is a base LE with the base climate control system. If I take out the GM radio and install an aftermarket unit with CD player and such, will I have a problem with the climate control unit not dimming? I know some people have had problems with that, but i'm not sure what years/models have that conflict.

Anyone know?

Hmmmmm now the climate control has nothing to do with your climate control functions as far as i know so you should not have any problems with that. what kind of cd player how many watts you dropping in that bonne..?????

The problem only affects cars with electronic climate control.

How does having electronic climate control have anything to do with the stereo they are 2 different units??

Whats problems do people say they get when changing the radio i would like to know since i am about to drop a CD player in my bonneville this weekend.

The VF display on electronic climate control units gets a special pulse-width modulated dimming signal from the radio. When you eliminate the stock radio, the VF display will no longer become dim when you flip your headlights on.

To overcome this problem you have to perform additional wiring modifications and install a climate control head unit from a later Bonneville.

This problem affects Bonnevilles up to 1993.

Thanks FD, that'* what I needed to know.