SPER

So I finally got around to taking out the rear seats and changing my back speakers. And I realized that one of the speakers wasn't even connected (I've never noticed this) I hooked up the new speakers and even when theres no volume I hear a high pitch noise. I know that its not the speakers because I tested 4 diff speakers and they all do the same thing. And I know that its the Amp because I tested both amps on both sides and switched them back and forth to be sure.

So I took the amp out, and noticed is says SIGMA 975 on it. Does anyone know what can be wrong? If there is a fix for this? OR if you have one or know of someone who has one and would like to sell it? Anything will help, thank you..

PS: I'll post a couple pics for reference.

SPER

After looking at the circuitry it looks like the orange gooey stuff melted all of the place. I have no idea if this can cause the problem because I haven't seen the circuitboard of the other amp. So if anyone sees anything wrong please tell me. OR if you have an amp from your rear deck PM ME.

pmohr

iTrader: (26)

The 'orange gooey stuff' is not conductive. It's likely there purely for vibration relief.

I don't see anything obviously wrong.

Have you posted a thread in the classifieds? If you want to buy one, that's the place to be.

f550maranello2

iTrader: (2)

orange stuff is supposed to be there it keeps vibration down to to components.. swap the other amp from the rear and see if that helps...

pmohr

iTrader: (26)

As in the first post:

SPER

thanks pmohr for saving me a half hour of trying to pick that crap off. I'll go make a thread in the classifieds but in the meantime, any help on this is appreciated.

SPER

I just bought one from Maxima_Joe, I'll see how it turns out.