Strange ground noise problem. - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-15-2006
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Strange ground noise problem.

Ok, I haven't put a system together in a long time due to a lot of theft of high dollar equipment back in the 90's, I just figured it wasn't worth me spending all the money for some jackass to enjoy it for me. Well I threw one together out of the stuff I had around my garage but I have a small problem with ONE stiking speaker lol.

Setup is Clarion head unit, can't remember which number pretty badass, IPOD input and all that crap, 3 outputs. Kenwood front and rear door speakers which I can't remember the number of either but they are the best 5x7 or whatever you can get (wifes a Kenwood dealer, get killer deals), JL audio 12W3 in a JL power wedge box and the holy crap ginormous 5 channel Sony XM7557 monster and that used to bring like 800 or so. Threw it all together with a decent set of wires (stinger power and grounds all 4 gauge and Stinger fuses and distribution block with Rockford speaker wire) and it sounds pretty freakin good. EXCEPT for the drivers front speaker. It's got wicked ground noise. I checked all of the wiring, everything is secure, I have a very good 4g ground on bare metal and so on. It's just that one channel. Do you guys think that one side of the RCA is bad perhaps? I am just trying to figure out the possibilities before tearing back into it as I hid everything really well so it will be a lot of digging to get it all back out.



EDIT Don't make fun of me about not a single component matching, like I said, I threw this together from what I had in my tool box and in the garage. This is the combination of about 5 cars worth of random car audio I have had over the last 2 years that had crap in them when I bought them. Putting all this in my truck cost me a grand total of 19.26 at my most hated store (walmart)
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Old 11-15-2006
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try unplugging the rca's at the head unit and switch it to another to one of the channels and see if the noise changes speakers, then it might be the hu or the amp, you can also do this to the rca's at the amp. i would say try whichever gives you easier access to the rca's first since you hid everything

my hu had two of the channels messed up, i figured it out by doing this
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Old 11-15-2006
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run the rcas away from the power/accessory wires. sometimes cheap-o rcas pick up ground noise, static signal or w/e you want to call it.
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Old 11-15-2006
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JAvier, that is what I was thinking of trying but not sure about it. I will give it a shot in the morning.

Eric, I have the power run well away from the RCA's but the acc is right beside them. Will that thing actually bleed over as well? I never had that problem before. I will give it a shot though.
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