This just happen today and it soo strange on 95 sc300. Every time I press the brake, my dashboard light faints a little and goes back to normal, and my radio stops playing and goes back to normal, but u still can see the numbers and stuff and it doesn't faints. Any problems?? does this mean my battery is almost dead or something?? It happens randomly every time i press the brake.

 

If your battery and alternator are good, then check your chassis grounds. Try a search for "electrical ghosts" for more info.

 

i have the same problem every time i brake my radar turns off and on