ground buzz

I installed an aftermarket system in a 2006 Honda Accord, everything works except for this Buzzing Noise. I tried every remedy in the book but couldn't get rid of this noise. The noise only comes when the key is in the ignition position (with or without engine running doesn't matter). So, if the...

Q1) I drive a 2002 Honda Accord 3.0L V6 VTEC and I was wondering what size fuse I should put between my alternator and battery for the big three? I'm running the stock alternator and a duralast gold battery. Q2) I have a CB radio that plugs into the power outlet in my console, and when my car...

i have a car dvd/stereo in dash and it is always making a loud buzzing sound (except when car is off or i open door, my truck has the 10 minute auto shut off) I bypassed the e brake ground by grounding it to the normal stereo ground. everything works fine i just have this loud buzz coming from...