dashboard electrical

TL;DR - My dash and infotainment is flashing and freaking out. Upon purchase the battery was replaced. Ayo, I just purchased a 2011 Buick Regal at 106k miles. Love the car, however, upon driving it for sometime the dash and the infotainment screens are flashing and would sometimes turn off for...

My Century 2003 dashboard meters are turning off and on at random intervals. Sometimes all the meters (temperature, speedometer & gas) go to zero and then back to normal right away or sometimes after a few minutes. At other times only the temperature and speedometer drop. Any idea what might...

I am experiencing the dash lights on the message center and radio to be dim at times and then come back on bright. Would this be a poor ground connection or a poor fuse connection. If so, where is the ground wire for the dash lights and radio located. Also what fuse number might this be and...

Are there any motors in the dash on drivers side that can cause a medium pitched errrrrrrring sound that comes and goes and changes loudness a little? Sound stops when volts drop for a second. If so, how can one pinpoint the source? Many thanks!!! Tom from Texas

. My car : Buick Regal LS 3.8 6v year 2000. I think I have an electrical problem. I start the car, turn on headlights, low beam, and position lights and light from dashboard , showing speed lines and number of miles not light up.. Headlights light up, both phases. What is it ? Can you help me...