Brake lights cause volume dip - Audio & Electronics Forum

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Brake lights cause volume dip
Wednesday, April 13, 2005 1:09 AM
I have an annoying problem. When I turn on the headlights, or an accessory (such as A/C) the volume on my radio drops very slightly for a split second. It's barely noticable, but still noticable. It also does it when I tap the brakes. Not all the time, usually when I haven't tapped them for a while. So basically anything that draws current from the electrical system causes it. My radio is all stock except for an aftermarked head unit. It's not the head because I've had it for quite a while and it just started happening. Any ideas?

Re: Brake lights cause volume dip
Wednesday, April 13, 2005 5:36 AM
Ground maybe?


Beat it like it owes you money
Re: Brake lights cause volume dip
Wednesday, April 13, 2005 11:44 AM
Lanman31337 wrote:Ground maybe?


What do you mean? Something isn't grounded, or something is grounded that shouldn't be?
Re: Brake lights cause volume dip
Wednesday, April 13, 2005 12:27 PM
he means maybe a ground maybe loose and not getting a solid connection
Re: Brake lights cause volume dip
Wednesday, April 13, 2005 4:11 PM
never heard of that before thats a new one



1989 Turbo Trans Am #82, 2007 Cobalt SS G85





Re: Brake lights cause volume dip
Wednesday, April 13, 2005 9:43 PM
maybe possibly the alternator??



Lookin' Stock - For Now!
Re: Brake lights cause volume dip
Wednesday, April 13, 2005 11:40 PM
I put a new alternator and battery in it no more than 6 months ago. Tomorrow I'll pull the dash off and check the ground to the radio. I'll also hook a multimeter up to it and see what the voltage is and if it drops when the brakes are pressed.
Re: Brake lights cause volume dip
Thursday, April 14, 2005 4:22 AM
This could be a long shot, but I had to fix an installation once where when the person put the brakes on, the radio would freak out. Turns out the stereo shop ran the hot right around the brake pedal area and it would short out.


Beat it like it owes you money
Re: Brake lights cause volume dip
Thursday, April 14, 2005 9:53 PM
GET A CAP IT SOLVES ALL UR PROBLEMS



Re: Brake lights cause volume dip
Friday, April 15, 2005 10:33 AM
yea...cap on the brake light circuit is what you need...


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Re: Brake lights cause volume dip
Friday, April 15, 2005 10:02 PM
I got a cap... Its silver and shiny... Im gunna get a NOS sticker and put on it and mount on my rear dash for a few days just for the ricers at my school


~The Confused One~
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Re: Brake lights cause volume dip
Monday, April 18, 2005 9:08 PM
FrmJERZtoDuval wrote:My radio is all stock except for an aftermarked head unit.






happy happy joy joy

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