How do you know if you have a rca problem with yur pioneer?

[da box king 10+ year member]

Well I have the premier 880...got my amps all hooked and a couple of months ago the front speakers started making a low schreech when the car powers off. Kinda sounds like a fart or the speakers are discharging. sometimes it doesn't make the noise and sometimes its not as loud...//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif

could this be an rca issue with my 880

I was gonna replace the sax 100.4 with my pc4400 to see if it still does it

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[da box king 10+ year member]

night bump

 

[oldschool4me 10+ year member]

ground the rca outs of the hu and see if it stops

 

[Side Show 10+ year member]

unplug one rca at a time and turn the car off, you'll prob find it's only one rca causing it not both

 

[da box king 10+ year member]

ground the rca outs of the hu and see if it stops

yeah just wrap speaker wire around the outputs and put it on a solid ground right? should I keep the hu grounded where it is right now too, or move that too? It's grounded to factory wire right now.

The deck does still have a while left on the warranty now I just need to figure out who I got it from

 

[da box king 10+ year member]

unplug one rca at a time and turn the car off, you'll prob find it's only one rca causing it not both

well I switched rcas end, front to rear input and rear to front and it still makes the noise up front. I will try unplugging just one.