Noise over speakers when engine running.

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mellos
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Noise over speakers when engine running.

Post by mellos »

Hi there,I am experiencing some interference over my speakers when the engine is running.
I was having problems with the head unit switching off from time to time so I decided to power up directly
from the battery with an in line fuse but after that there was no more switching off but this engine
sound interference,could it be that maybe this power cable is too close to the cables running to
the amplifier,I want to remove the head unit but just looking for some advice so when I remove
it I know what or where to look for a solution.
Thanks.....
TDIFlava
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Re: Noise over speakers when engine running.

Post by TDIFlava »

Grounding issue and power cables running to close to your RCA's, make sure the head unit is grounded properly as well.
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Re: Noise over speakers when engine running.

Post by amstel18 »

RCA's and power cable on the same side of the car?

I always run the power cable on the side where the main wiring harness is and the RCA's either down the center or on the opposite side.

If they are already separated, then what Headunit is in the car?

I once had to ground the outer of the RCA's to the headunit. It was a JVC deck.
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Re: Noise over speakers when engine running.

Post by DJ7 »

TDIFlava wrote: Tue Aug 07, 2018 8:06 am Grounding issue and power cables running to close to your RCA's, make sure the head unit is grounded properly as well.
More than likely this. Even more likely if it is a Pioneer HU. Cable from the back of the HU to the body to ground it should help.
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Re: Noise over speakers when engine running.

Post by Wolf Mk2 16V »

:lol: In a Mk7 Gti they call it a soundactuator
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Re: Noise over speakers when engine running.

Post by Jetta2 »

Wolf Mk2 16V wrote: Tue Aug 07, 2018 11:47 am :lol: In a Mk7 Gti they call it a soundactuator
Actually called Soundaktor.
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Re: Noise over speakers when engine running.

Post by Wolf Mk2 16V »

Jetta2 wrote: Tue Aug 07, 2018 11:59 am
Wolf Mk2 16V wrote: Tue Aug 07, 2018 11:47 am :lol: In a Mk7 Gti they call it a soundactuator
Actually called Soundaktor.
I thought so but wasn't sure hehehe anyway soundaktor - mine is disconnected btw - huge improvement
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Re: Noise over speakers when engine running.

Post by mellos »

DJ7 wrote: Tue Aug 07, 2018 10:21 am
TDIFlava wrote: Tue Aug 07, 2018 8:06 am Grounding issue and power cables running to close to your RCA's, make sure the head unit is grounded properly as well.
More than likely this. Even more likely if it is a Pioneer HU. Cable from the back of the HU to the body to ground it should help.
It is a Pioneer head unit,why do they need a more solid grounding than other HU?
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Re: Noise over speakers when engine running.

Post by mellos »

amstel18 wrote: Tue Aug 07, 2018 8:13 am RCA's and power cable on the same side of the car?

I always run the power cable on the side where the main wiring harness is and the RCA's either down the center or on the opposite side.

If they are already separated, then what Headunit is in the car?

I once had to ground the outer of the RCA's to the headunit. It was a JVC deck.
It is a pioneer HU,they are separated,I don't understand what you mean by "ground the outer of the RCA'S to the head unit?'
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Re: Noise over speakers when engine running.

Post by mellos »

Thanks for the responses guys I will try and put a good ground on the HU and take it from there.
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Re: Noise over speakers when engine running.

Post by amstel18 »

mellos wrote: Tue Aug 07, 2018 10:55 pm
amstel18 wrote: Tue Aug 07, 2018 8:13 am RCA's and power cable on the same side of the car?

I always run the power cable on the side where the main wiring harness is and the RCA's either down the center or on the opposite side.

If they are already separated, then what Headunit is in the car?

I once had to ground the outer of the RCA's to the headunit. It was a JVC deck.
It is a pioneer HU,they are separated,I don't understand what you mean by "ground the outer of the RCA'S to the head unit?'
Crude way I did it was take some flex and strip it and then wrap the copper strands around the outer part of the RCA and then the same on the other end and then take one of the casing screws off at the back of the deck and ground it there.

Sorry if the explanation is a bit unclear.
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Re: Noise over speakers when engine running.

Post by Unobeat »

amstel18 wrote: Wed Aug 08, 2018 6:51 am
mellos wrote: Tue Aug 07, 2018 10:55 pm
amstel18 wrote: Tue Aug 07, 2018 8:13 am RCA's and power cable on the same side of the car?

I always run the power cable on the side where the main wiring harness is and the RCA's either down the center or on the opposite side.

If they are already separated, then what Headunit is in the car?

I once had to ground the outer of the RCA's to the headunit. It was a JVC deck.
It is a pioneer HU,they are separated,I don't understand what you mean by "ground the outer of the RCA'S to the head unit?'
Crude way I did it was take some flex and strip it and then wrap the copper strands around the outer part of the RCA and then the same on the other end and then take one of the casing screws off at the back of the deck and ground it there.

Sorry if the explanation is a bit unclear.
I was about to ask about this, thank for a bit of detailed explanation.
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Re: Noise over speakers when engine running.

Post by DJ7 »

mellos wrote: Tue Aug 07, 2018 10:50 pm
DJ7 wrote: Tue Aug 07, 2018 10:21 am
TDIFlava wrote: Tue Aug 07, 2018 8:06 am Grounding issue and power cables running to close to your RCA's, make sure the head unit is grounded properly as well.
More than likely this. Even more likely if it is a Pioneer HU. Cable from the back of the HU to the body to ground it should help.
It is a Pioneer head unit,why do they need a more solid grounding than other HU?
If connected incorrectly originally, I think an IC or something in the HU blows and then needs the additional grounding to sort out that interference.
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Re: Noise over speakers when engine running.

Post by DJ7 »

mellos wrote: Tue Aug 07, 2018 10:55 pm
amstel18 wrote: Tue Aug 07, 2018 8:13 am RCA's and power cable on the same side of the car?

I always run the power cable on the side where the main wiring harness is and the RCA's either down the center or on the opposite side.

If they are already separated, then what Headunit is in the car?

I once had to ground the outer of the RCA's to the headunit. It was a JVC deck.
It is a pioneer HU,they are separated,I don't understand what you mean by "ground the outer of the RCA'S to the head unit?'
Wrap the wire around the outer metal part of one of the RCA's and then to the back of the cage of the HU. So not the metal point that goes into the HU, but the outer metal part. If that makes sense.
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Re: Noise over speakers when engine running.

Post by mellos »

amstel18 wrote: Wed Aug 08, 2018 6:51 am
mellos wrote: Tue Aug 07, 2018 10:55 pm
amstel18 wrote: Tue Aug 07, 2018 8:13 am RCA's and power cable on the same side of the car?

I always run the power cable on the side where the main wiring harness is and the RCA's either down the center or on the opposite side.

If they are already separated, then what Headunit is in the car?

I once had to ground the outer of the RCA's to the headunit. It was a JVC deck.
It is a pioneer HU,they are separated,I don't understand what you mean by "ground the outer of the RCA'S to the head unit?'
Crude way I did it was take some flex and strip it and then wrap the copper strands around the outer part of the RCA and then the same on the other end and then take one of the casing screws off at the back of the deck and ground it there.

Sorry if the explanation is a bit unclear.
I understand the explanation is fine,thanks a lot.
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Re: Noise over speakers when engine running.

Post by Ashveer03 »

Something called a pico fuse blows, done this "trick" before - it works

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Re: Noise over speakers when engine running.

Post by mellos »

Ashveer03 wrote: Wed Aug 08, 2018 11:30 pm Something called a pico fuse blows, done this "trick" before - it works

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Where would one find this pico fuse?
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Re: Noise over speakers when engine running.

Post by mellos »

mellos wrote:
Ashveer03 wrote: Wed Aug 08, 2018 11:30 pm Something called a pico fuse blows, done this "trick" before - it works

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Where would one find this pico fuse?
Bump

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Re: Noise over speakers when engine running.

Post by Ashveer03 »

Hey bud it's somewhere on the circuit board, I honestly don't know where or what they look like. Some of them look like a diode and others like a tiny wire strand - whenever I had this issue I just grounded out the rcas, didn't try repairing or replacing it..

Google the model number of ur radio, eg "xxxxxx Pico fuse" some1 must have done a repair at some stage

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Re: Noise over speakers when engine running.

Post by mellos »

Ashveer03 wrote:Hey bud it's somewhere on the circuit board, I honestly don't know where or what they look like. Some of them look like a diode and others like a tiny wire strand - whenever I had this issue I just grounded out the rcas, didn't try repairing or replacing it..

Google the model number of ur radio, eg "xxxxxx Pico fuse" some1 must have done a repair at some stage

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Ok will do thanks....

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