alt whine

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djrankin004

Copper - Posts: 154

Joined: April 15, 2008

Location: Kansas, United States

Posted: October 15, 2009 at 9:43 AM / IP Logged

I borrowed the meter so dont have a clue if its broken. What should it do when i touch the leads and what setting should i have it too(AC, DC, OHM?) I'll give it a try, but it might take me another couple days or so, big weekend ahead. Thanks

djrankin004

Copper - Posts: 154

Joined: April 15, 2008

Location: Kansas, United States

Posted: October 15, 2009 at 5:39 PM / IP Logged

Just to verify i am touching the small wire from one unbridged speaker terminal on the amp to the shield of one of the RCA wires? or am i touching it too the shield of the rca input on the amp?

i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: October 15, 2009 at 8:08 PM / IP Logged

The RCA cables should be plugged into the amp to do this. You will have to touch the wire to the outer part of the cable. Motor running and noise coming through the system. Then touch the wire to see if the noise goes away.

your meter should have been set to the Ohms selection.

boxhead78

Copper - Posts: 84

Joined: October 07, 2009

Location: California, United States

Posted: October 16, 2009 at 2:11 AM / IP Logged

get your rca wires from by your power wireand run them on the other side of the car it should stop

boxead78

djrankin004

Copper - Posts: 154

Joined: April 15, 2008

Location: Kansas, United States

Posted: October 20, 2009 at 3:17 PM / IP Logged

okay sorry about the delay. I disconnected the speakers and rca wires. Replaced the two 30 amp fuses with a single 5 amp fuse, powered on the amp, and the fuse did not blow. So i reconnected the rca's and the speaker wires as you told me. And placed a small piece of wire into one of the non bridged speaker terminals. I turned on the car, turned volume all the way down, with whine coming out of speakers. I touched the small wire to the rca shield as instructed but nothing happened. No pop, no sound at all actually. And the whine still persists. The model on the amp appears to be the Power Akoustic FI2X-520 although i cant find any info on this amp. Its a two channel 500 watt. What now?

DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: October 20, 2009 at 3:32 PM / IP Logged

My guess is bad ground or defective amp. HERE's how to check your ground...

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djrankin004

Copper - Posts: 154

Joined: April 15, 2008

Location: Kansas, United States

Posted: October 20, 2009 at 4:05 PM / IP Logged

The amp has been used prior to this for subs. It is wired up with a 2 ohm load to each channel and i am using the crossovers that came with the components. I'll double check the amp ground though with the test you provided. Any chance of fixing this defective amp if that be the case?

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alt whine

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