94 Ford Ranger slowly dying

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thatboytonyton

Member - Posts: 6

Joined: May 21, 2006

Location: United States

Posted: May 21, 2006 at 4:32 PM / IP Logged

I have had 2 10" subs running on one amp for a little over a year. I finally got tired of looking at the wires so i pulled out the seat and some other things and ran all wires under the carpet. I put everything back the way it was but i accidently put a screw that holds the amp to the back wall right through a speaker wire to the sub and there was a rythmic popping, but not to the beat of the music. I fixed that and now the subs thump (with the music this time) at medium to high volume, but now when i turn the volume to 0, the subs have a low rumble and if the engine is running, the subs make a whistling noise. Someone mentioned a grounding problem, but the grounds are exactly the same as before. anyone have any suggestions?

Its Plum!

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geepherder

Platinum - Posts: 3,668

This member consistently provides reliable information

Joined: October 27, 2003

Posted: May 22, 2006 at 8:35 AM / IP Logged

If you're sure you don't have any wires shorted anywhere, there's a good possibility that you're amp was damaged. Try connecting another in place of your current one and see if that solves the problem.

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

thatboytonyton

Member - Posts: 6

Joined: May 21, 2006

Location: United States

Posted: May 22, 2006 at 10:52 AM / IP Logged

I looked through all the wires and didnt find any thing weird except in my RCA wires. They have a clear cover so i can see the wire and in a few spots there is black marks that look like burns. I tried a spare set of RCA wires but i still heard the same low rumbling noise and still the whistling as i drive.

Its Plum!

thatboytonyton

Member - Posts: 6

Joined: May 21, 2006

Location: United States

Posted: May 22, 2006 at 9:11 PM / IP Logged

I pulled up the carpet (yet again) and moved the power supply that runs to the amp along the left side of the driver seat and moved the rca wires along the left side of the driver seat. This seemed to reduce the whistling noise with the rpm's, but there is still that dang rumbling. Now i noticed pops in the subs when i change radio stations and change it back and forth from cd to radio.

Its Plum!

geepherder

Platinum - Posts: 3,668

Joined: October 27, 2003

Posted: May 22, 2006 at 10:24 PM / IP Logged

The above advice still stands. Have you tried a different amp?

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

spookiestylez

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Joined: September 23, 2005

Location: Virginia, United States

Posted: May 22, 2006 at 11:03 PM / IP Logged

check to make sure you ave a good ground. Check the resistance of you ground to a *good* ground and it should read between 0-2 ohms*ish...if you still have the problem check to make sure all your wires are in tact....you might want to try out a ground loop isolator...you can always return the part if it dosent help.

thatboytonyton

Member - Posts: 6

Joined: May 21, 2006

Location: United States

Posted: May 22, 2006 at 11:11 PM / IP Logged

I am gonna see if someone will let me borrow an amp for a day or so since i dont have any laying around. I double checked the ground wire to the amp, but not with a voltmeter. Do i disconnect the wire from the frame then attach a lead to the wire and a lead to the ground surface? The thing that worries me the most it how fast it happened. I didnt replace any parts, or take anything out of my system, and then these problems start showing up. Man.

Its Plum!

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94 Ford Ranger slowly dying

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