Engine Noise
07-16-2008, 01:45 AM
#1
:( Harminder Is Lost In
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Engine Noise
Hi guys im in need of SERIOUS help. Had it taken to a shop two times. First time they regrounded everything and today reran new rca wires. I STILL GET ENGINE NOISE!!! I have a Eclipse avn 5510 with polk db components with a infionity amp powering it. Also have a fosgate p3 and amp sub system hooked to a 4.0 farad performance tekhnique cap. Everything is good but when volume is low i get a light hissing sound and engine noise. Any ideas on what i can try? Tired of paying to have it looked and not solved.
07-16-2008, 10:09 AM
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Sorry if you already checked for these things but I'll suggest some,
-all grounds are the shortest length they can be, grounded to an area free of paint, and are of the same gauge as the power wire going in?
-check the head unit ground(stock or aftermarket, either way)
-try a ground loop isolator(easy but not guaranteed or a proper fix)
-using high quality twisted pair shielded RCA's?
-try removing components and seeing if the noise still occurs(remove cap, test, remove amp, test)
-does it occure with the engine off?
-all grounds are the shortest length they can be, grounded to an area free of paint, and are of the same gauge as the power wire going in?
-check the head unit ground(stock or aftermarket, either way)
-try a ground loop isolator(easy but not guaranteed or a proper fix)
-using high quality twisted pair shielded RCA's?
-try removing components and seeing if the noise still occurs(remove cap, test, remove amp, test)
-does it occure with the engine off?
07-16-2008, 02:38 PM
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I would check to see if the noise is there with the receiver out of the dash.
I had a noise that I could not figure out, after checking grounds, etc i realized that the noise was not there when i had the receiver pulled out of the dash, so just for giggles i took some aluminum foil and neatly folded and placed it inside of the dash along where the back of the receiver was. to my surprise the shield actually worked and I have had no noise since. cheap solution to a very annoying problem, if the noise is only there when in dash.
I had a noise that I could not figure out, after checking grounds, etc i realized that the noise was not there when i had the receiver pulled out of the dash, so just for giggles i took some aluminum foil and neatly folded and placed it inside of the dash along where the back of the receiver was. to my surprise the shield actually worked and I have had no noise since. cheap solution to a very annoying problem, if the noise is only there when in dash.
07-19-2008, 01:20 AM
#7
:( Harminder Is Lost In
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Originally Posted by wong05tsx
get rid of the cap
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