Sound coming from subs when car is on with volume all the way down

[ExplicitUrSelf 10+ year member]

Here is the deal, When the car is on there is sound coming from the sub when the volume is all the way down. The amp is about a year old along with the sub. I dont think the amp or sub are mest up i think it is more of a wireing issue unless my head units messing up again because i had already took it to best buy for repair and according to them the RCA jacks on the back of the head unit for the sub was mest up or somthing. The ground to the amp is on a good place where there is contact to the metal from the seat bolt. Can anyone tell me from the top of their head what they think can be the issue or what normally causes the sound. it also does it when the car is off. The wirering hassnt been touched for about six months and i have this problom accuring now

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[528hz 10+ year member]

Is your gain turned up pretty high? Sometimes this will cause your problem.

 

[ExplicitUrSelf 10+ year member]

the gain is at about 60%. I didnt have this problom before by turning up the gain to high because before i had it a little bit higher than 60% and it was good with no probloms

 

[wilj24 10+ year member]

i think its the ground, i had that problem to, some one told me it was either cheap rca wires or my ground is inefficient, either too small or in the wrong place.

 

[Louisiana_CRX 5,000+ posts]

i think its the ground, i had that problem to, some one told me it was either cheap rca wires or my ground is inefficient, either too small or in the wrong place.

check this

 

[ExplicitUrSelf 10+ year member]

Ill double check my grounds, Well more like relocate it i guess. See if that will work. I dont think its my RCa's because i tried someother RS Rca cables and same issue.

 

[ExplicitUrSelf 10+ year member]

check this

Check what?? Are you reffering to the ground as he stated??

 

[Rusty...WCA 10+ year member]

eliminator the source, unplug the rcas from the deck and see if the noise is still there with no rcas in the deck, if itigoes away its the deck, if not unplug the rcas from the amp, if it goes away its the rcas, if not unplug the rcas from the amp, if when turned back on the noise is still there its the amp or amp wiring. always turn the amp off when plugging or unpluggin RCa's

 

[nicker10 10+ year member]

Had the EXACT same problem. You need to ground your RCA's. Pioneer's have a pico fuse which is very sensitive from what ive heard and when they blow, it causes things like that to happen.

http://www.hondacivicforum.com/forum/showthread.php?t=75438

That has good pictures on how to do it all..This fixed my problems right away.

 

[Rusty...WCA 10+ year member]

^^ Ive had to do that to a lot of pioneers

 

[ExplicitUrSelf 10+ year member]

eliminator the source, unplug the rcas from the deck and see if the noise is still there with no rcas in the deck, if itigoes away its the deck, if not unplug the rcas from the amp, if it goes away its the rcas, if not unplug the rcas from the amp, if when turned back on the noise is still there its the amp or amp wiring. always turn the amp off when plugging or unpluggin RCa's

I tried unplugging the rcas from the head unit and the sound went away. About grounding the RCA's, I didnt have to do that fom the begining when i had it installed for the first time it went good and smooth with no wired sounds.

 

[tRiGgEr 5,000+ posts]

http://www.radioshack.com/product/index.jsp?productId=2062214

ur welcome

 

[Nut Hair Trick 10+ year member]

I tried unplugging the rcas from the head unit and the sound went away. About grounding the RCA's, I didnt have to do that fom the begining when i had it installed for the first time it went good and smooth with no wired sounds.

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Had the EXACT same problem. You need to ground your RCA's. Pioneer's have a pico fuse which is very sensitive from what ive heard and when they blow, it causes things like that to happen.

 

[ExplicitUrSelf 10+ year member]

so the pico fuse is the problom... When i had to the sterio to service they had said that if i had a other problom they were going to swap out the stereo and give me a newer model one. So i think im going to take advantage of that

 

[SPLaudio 5,000+ posts]

pioneer makes shitty headunits! they fuse the ground on the rca's so if they get unplugged and plugged back in out goes the fuse. so it searches for a ground and normally finds a weak 1 in the antenna.

i refuse to sell pioneer anymore...