Engine noise

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chadwa2003

Copper - Posts: 353

Joined: January 08, 2005

Location: Canada

Posted: December 04, 2006 at 4:12 PM / IP Logged

I have a pioneer 9800bt in a 94 vw gti. I'm using a mtx 5 channel amplifier and have severe engine noise coming from my mids and highs. I have grounded the shields of the rcas coming from the unit as well as having ground loop isolators on the rcas as well. I was just wondering if anyone has run into this problem before with this unit. I've had this happen on some other pioneer units like the z-1 and n1 but never with this one any insight on this would be much appreciated. Thanks in advance

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chadwa2003

Copper - Posts: 353

Joined: January 08, 2005

Location: Canada

Posted: December 04, 2006 at 4:24 PM / IP Logged

Sorry with grounding the sheilds and gli's the engine noise has reduced but is still noticeable

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geepherder

Platinum - Posts: 3,668

This member consistently provides reliable information

Joined: October 27, 2003

Posted: December 04, 2006 at 7:10 PM / IP Logged

You can also try grounding the rca shields at the amp, and running a jumper wire from the amp ground to the head unit ground. Also check your factory ground cables and battery terminals.

My ex once told me I have a perfect face for radio.

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chadwa2003

Copper - Posts: 353

Joined: January 08, 2005

Location: Canada

Posted: December 04, 2006 at 7:43 PM / IP Logged

thanks for the response i grounded the shields at the amp before and no change but i haven't checked my headunit ground that was going to be my next step

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KarTuneMan

Platinum - Posts: 7,056

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Joined: December 14, 2004

Location: Isle Of Man

Posted: December 05, 2006 at 9:06 AM / IP Logged

Do a search on this issue. You will find out that 98% of the cure that will be talked about is to replace the pioneer deck. I ran into this myself a couple of months ago. The pioneer deck have a serious design flaw.....I took out MY pioneer (in a simular set up) and it was quiet as a church mouse.

https://www.the12volt.com/installbay/search.asp?SI=PT&KW=pioneer+deck+noise&SM=1 This will get you started.

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Engine noise

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