Hello Acurazine

I just have installed NAKAMICHI NA3605 double din deck on my 05 Acura TL MT non-navi.

After I installed, there was no sound at all.
So someone from youtube said I must tap into the grey wireharness (red & yellow wire) as it is amp turn on wire.
So I did it and it is successful.

However, when Nakamichi deck finishes booting and turns on, then it creates extremely loud static noise (probably like maximum volume).
I used the METRA Honda/Acura wire harness btw to connect it to the aftermarket deck easily.

So when I reserached from acurazine forum, someone said "maybe ground cable" so I checked it and no problem.

And then when I connected it to the OEM factory radio deck, the static noise was gone. No problem.
It's just this Nakamichi that is creating the noise.

Please tell me what the issues are? I doubt if it is the aftermarket deck? It's brand new and all the keys and other stuff were working fine such as volume control, etc.
However, if I mute it or make the volume 0, then static noise is gone but if I turn it even volume level 1 (out of 40 or 50), then it makes very loud static noise.

What should I do?
Please help.

Thank you.

 

*Update

When I turn on the headlamp, the static noise gets reduced a bit.

*Update 2
I tried tapping into cigarette lighter ground cable(the black cable) with aftermarket radio ground cable, and then sometimes the center speaker started making humming noise,
thus I unplugged it since it won't be used anyway.

Still no solution.

Please help.

Current setting is,
Aftermarket radio,
aftermarket amp + subwoofer in a ported box in the trunk.

At first, I had the factory HU with aftermarket amp + sub in a box setting and it was really lovely and great.
Now, the aftermarket radio is installed due to the need of backup camera monitor + USB, etc, but now is a nightmare.

Thank you.

 

Someone suggested me to by-pass the amp and let the speakers get powered by the new double din receiver, but I told him that
the speakers are rated at 2ohm and my front speakers are 2ohm JBL speakers and they are pretty decent and I just bought them last year.
Therefore, I would like to keep the amp and find a solution to removing the static/hissing noise.

Thank you for your help

 

It may be because of the active noise cancellation inside the stock speakers, but not sure.

 

04-06 models do not have ANC.

 

Are you still sending signal through the factory amp? How is the audio signal making it to the aftermarket amp? Assuming you still have the factory amp in the path since you mentioned the center channel speaker making noise.

 

Yes, so far I used a Honda/Acura metra wireharness to keep the factory amp.
However, I have a 2.3ohm JBL front speakers and a JBL employee said that it will handle 4ohm power no problem which is the typical power source of aftermarket decks.
Also I have returned the Nakamichi audio deck as someone from other forum said "Nakamichi has quite high defective product rate".
When I was researching, I didn't see a post who had a static noise issue like me after using a Metra wire harness kit.

I'm thinking of possibly not using the factory amp though I will keep using the factory wires. (will use crimping tools at the factory amp location to
re-wire and connect the wires)

Only the rear speakers will be factory 2ohm speakers but maybe I will change those to cheap 4ohm speakers as rear speakers are used only to fill the sound.
I'm impressed that JBL 2.3ohm speakers will handle 4ohm no problem.

But if possible, I want to keep the factory amp as it will leave everything easy.