ok fine then try swaping the rca's at the amps and see if it still pops. it could be the cables. Alex O'Ree - [EMAIL PROTECTED] Lighting Computer Services - http://lcs.mlin.net/ ----- Original Message ----- From: "Greg Taylor" <[EMAIL PROTECTED]> To: "Sentra Mailing List" <[EMAIL PROTECTED]> Sent: Saturday, February 10, 2001 10:38 AM Subject: SML: RE: Re: Sound System problem! Please help! > I just bought a brand new Alpine head unit. It can't be the head. The RCAs > are 4 channel RCAs basically like having two sets running back to the > separate amps. > > -----Original Message----- > From: Alex [mailto:[EMAIL PROTECTED]] > Sent: Saturday, February 10, 2001 10:28 AM > To: Sentra Mailing List > Subject: SML: Re: Sound System problem! Please help! > > > well the thump you're hearing is technically caused by a potiental > difference. although it is possible its the alt, i kinda doubt it. how are > your rca ran? does it go from the HU to the highs amp then from there to the > sub amp? or from the sub amp to the highs? if it is try switching the wires > around to pinpoint what's causing it. check and see if its just coming from > the sub amp by siwtch the rca's between the two amps. if it goes away its > the amp. i personally think its the head unit, whether its the wiring or > not, the single comes from there and changing sources should not have a > thump, nor changing tracks. try regrounding and getting a fresh power lead > from the fuse box or tap into the 4 guage. > > > Alex O'Ree - [EMAIL PROTECTED] > Lighting Computer Services - http://lcs.mlin.net/ > > > ----- Original Message ----- > From: "Greg Taylor" <[EMAIL PROTECTED]> > To: "Sentra Mailing List" <[EMAIL PROTECTED]> > Sent: Saturday, February 10, 2001 8:53 AM > Subject: SML: RE: Re: Re: Sound System problem! Please help! > > > > My wires are run correctly on opposite sides of the car. I can get my RPMs > > to drop a little by moving the steering wheel(I think thats natural). I > can > > get my lights to dim by starting the car. With my old sony when the bass > hit > > my lighs used to blink. Now its just when I change songs, channels, or > > sources. You guys seem to think it's my sub amp? > > > > Greg > > > > -----Original Message----- > > From: Alex [mailto:[EMAIL PROTECTED]] > > Sent: Saturday, February 10, 2001 8:45 AM > > To: Sentra Mailing List > > Subject: SML: Re: Re: Sound System problem! Please help! > > > > > > > I'll try looking in the FSM to see what I can dig up. \ > > > I don't think it has anything to do with your sound system infact. > > > You mentioned that the whole electrical system and even the engine RPM > > > drops, plus you've done some troubleshooting by replacing the headunit > > with > > > one known to be good. Thats a step in the right direction. > > > > actually you might have good lead there. i've heard of people having > > problems such as alternator whine simply because the alternator was on the > > way out, perhaps he sound have it checked. > > > > > > > > Can you duplicate the lights blinking and RPM drop by using any other > > > accessory in the car? Or, is the problem pretty much constant. > > > I think we need more specific info before we can isolate the problem. > > > Is that "blurb blurb" noise RPM dependant? > > > > the rpm drop is caused by the alternator using more hp to product > electrical > > energy. > > > > > > I keep hearing people say to run the RCA interconnects on opposite sides > > of > > > the car but seriously folks. Consider how little voltage and current are > > on > > > those cables. Its unlikely they could induce noise onto each other. > > > > acutally if at 14 volts and on a high powered system like mine, there can > > be as much as 60 amps going through, 60*14=840 watts which is more than > > enough to induce noise on just about anything > > > > Alex > > > > > > > > > > +----------------------------------------------------------------------+ > > List archives ==> http://www.escribe.com/automotive/sml > > Have a question? Try the archives first. > > > > > > > > > > > > +----------------------------------------------------------------------+ > > To unsubscribe, put "unsubscribe" (by itself) in the subject and send to > > [EMAIL PROTECTED] or use the form at http://www.sentra.net/sml > > > > > > > > > > +----------------------------------------------------------------------+ > To unsubscribe, put "unsubscribe" (by itself) in the subject and send to > [EMAIL PROTECTED] or use the form at http://www.sentra.net/sml > > > > > > +----------------------------------------------------------------------+ > List archives ==> http://www.escribe.com/automotive/sml > Have a question? Try the archives first. > > > +----------------------------------------------------------------------+ To unsubscribe, put "unsubscribe" (by itself) in the subject and send to [EMAIL PROTECTED] or use the form at http://www.sentra.net/sml
