Cerwin Vega Spare Tire Subwoofer

[siren0001]

I finally got a video

https://drive.google.com/file/d/1mXA...ew?usp=sharing


ITs a little hard to hear but you you hear a boom/thump when the (A) auto start re-starts the car engine. I haven't been able to figure out where this is coming from.

I am using Audio Control LC2i Pro wit GTO auto sensing remote turn on

I use to have the remote wire to the 12v outlet but it still happened then, even with the remote turn on set to auto sensing it still happens when car does auto start/stop but not every time, so I am a bit stumped.

[FFM]

Sounds like the fix is to turn off that god awful feature with a tune 😜

[siren0001]

Sounds like the fix is to turn off that god awful feature with a tune 😜

totally would but I am leased lol

[Gunnarrrrr]

again you need to tap from somewhere else, no need to take a video you’ve made it clear that it’s your amp turning off and on lol

before i got an amp with dc offset, I had the same problem tapping from one of the other ignition switched fuses, fixed by moving to a different fuse. can’t remember which one, you’re just going to need to grab a fuse tap and do some trial and error. you’ll eventually find one that isn’t effected by auto start/stop

also auto start/stop can’t be disabled with software. there’s modules on aliexpress that mimic the auto start stop button presses to keep it permanently off, that’s the only way.


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[Hostile]

also auto start/stop can’t be disabled with software. there’s modules on aliexpress that mimic the auto start stop button presses to keep it permanently off, that’s the only way.

It can be disabled through OBDEleven/VCDS but the start/stop is tied to the HVAC controller and when you turn off the HVAC it turns the stop/start back on.

I ended up going with a kill harness from Amazon.

[Flint]

It can be disabled through OBDEleven/VCDS but the start/stop is tied to the HVAC controller and when you turn off the HVAC it turns the stop/start back on.

I ended up going with a kill harness from Amazon.

So if I code auto start/stop off with Carista, it will come back on if I use the “off” button for the HVAC system or is it tied to the AC on/off selection?


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[jcoleman_11]

So if I code auto start/stop off with Carista, it will come back on if I use the “off” button for the HVAC system or is it tied to the AC on/off selection?


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It’s tied to the AC. If you turn the AC off, auto start/stop function will start working again.

As long as AC is on, it will stay disabled.

I disabled it with Carista so I speak from direct experience.


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[Hostile]

So if I code auto start/stop off with Carista, it will come back on if I use the “off” button for the HVAC system or is it tied to the AC on/off selection?


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That is correct. Just buy a single from Amazon instead.

[Hostile]

It’s tied to the AC. If you turn the AC off, auto start/stop function will start working again.

As long as AC is on, it will stay disabled.

I disabled it with Carista so I speak from direct experience.


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That is the opposite of my experience when disabling it with OBDEleven.

Hitting the HVAC OFF button turned the start/stop back on.

No one would be doing that coding if you had to turn off the AC to also turn off the stop/start.

[jcoleman_11]

That is the opposite of my experience when disabling it with OBDEleven.

Hitting the HVAC OFF button turned the start/stop back on.

No one would be doing that coding if you had to turn off the AC to also turn off the stop/start.

I think you misunderstood what I wrote. We’re saying the same thing.


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[Hostile]

I think you misunderstood what I wrote. We’re saying the same thing.

That's what I get for reading too fast.

[siren0001]

Hi

I am trying to replace the Audio Control Lc2i with a Kicker Keyloc but got it somewhat to work better but wanted to make sure the subwoofer OEM positive and negative pin out to the keyloc was not crossed. IE brown wire coil 1 positive, brown white coil 1 negative etc.


Does any one know what the wiring colors mean on the OEM subwoofer cabling?

[iampraneel]

Hi

I am trying to replace the Audio Control Lc2i with a Kicker Keyloc but got it somewhat to work better but wanted to make sure the subwoofer OEM positive and negative pin out to the keyloc was not crossed. IE brown wire coil 1 positive, brown white coil 1 negative etc.


Does any one know what the wiring colors mean on the OEM subwoofer cabling?

Do you have one of my harnesses?

Plug and Play Aftermarket Subwoofer/Amp Harness

https://www.audizine.com/forum/showthread.php?t=945999

[4TBBUCS]

So, I ended up ordering an LC2i (months ago), then the LC2i Pro smh. Forgot I had ordered the prior. Aside from form factor and easier access to "tuning" (Accubass, Threshold etc), are there any other advantages in going with the Pro for the install?

[czechm8]

I believe the Pro model will pass a signal down to 20Hz, whereas the non pro version only down to 30Hz.

[4TBBUCS]

Got it, thanks!

[4TBBUCS]

Here’s what I have them set to.


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Good stuff! Question, did you actually tune for AccuBASS as per instructions or? Assuming you did, you did so due to experiencing Bass roll-off? If so, about how high (volume) did you start getting roll-off? Thanks!

[jcoleman_11]

Good stuff! Question, did you actually tune for AccuBASS as per instructions or? Assuming you did, you did so due to experiencing Bass roll-off? If so, about how high (volume) did you start getting roll-off? Thanks!

Yup, spent probably about 2 hours tuning it.
It changed so much from one song to another, so I’ve got the gain knob installed in the center console so I can adjust it when needed.
Bass starts rolling off at higher levels. There’s no number so it’s hard to say, but where the bar is about half way.


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[4TBBUCS]

Nice! Appreciate the info, thanks.

[Local]

Looks really good.

I think this is the best non performance mod for this vehicle.

just adding this little woofer turns the sound system into a different animal.

[Hayk]

Hi All,

I am interested in the DASTX12 setup for a B8.5 2017 SQ5 w/ B&O. Can someone outline which items I need to buy? I am having an car audio shop install it.

Thanks!
Hayk

[Gunnarrrrr]

Hi All,

I am interested in the DASTX12 setup for a B8.5 2017 SQ5 w/ B&O. Can someone outline which items I need to buy? I am having an car audio shop install it.

Thanks!
Hayk

wrong forum


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[davidj43]

Yup, spent probably about 2 hours tuning it.
It changed so much from one song to another, so I’ve got the gain knob installed in the center console so I can adjust it when needed.
Bass starts rolling off at higher levels. There’s no number so it’s hard to say, but where the bar is about half way.

That's a clean install of the ACR-1! I assume you had to pull the center console out? Any pro tips you can share?

Also, looking at your Lci settings, it's hard to tell which direction they are pointed. Are the accubass level, threshold, and bass level are all toward counterclockwise?

[jcoleman_11]

That's a clean install of the ACR-1! I assume you had to pull the center console out? Any pro tips you can share?

Also, looking at your Lci settings, it's hard to tell which direction they are pointed. Are the accubass level, threshold, and bass level are all toward counterclockwise?

Turn them all the way to minimum, so counter clockwise, and then turn them clockwise until they match the picture. There’s no way I did more than a 180° turn.

As for the knob install, I was too lazy to pull the entire center console out, so the wire can be seen going from under the rear seat to under the center console.
I did have to remove the whole shifter/controls portion.
Once that’s out, the button cover just pops out.

To make sure I drilled the hole in the perfect spot, I actually put nail polish on the tip of the bare knob, and slid it in the cover, so the nail polish leaves a spot exactly where the knob would poke through, and that’s where you drill.

The other hole for the LED I just eyeballed. I also had to bend it to fit the button, and also had to break a tab off the button to fit it.

I hope that helps!


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[4TBBUCS]

Shoutout to @ iampraneel! Appreciate the harness and help! Finally got around to finishing the install. Sounds damn good! Literally the only thing missing (subjective) in the BO system, was this upgrade. System sounds complete now, with plenty of bass for my liking. Install was pretty straightforward, only hiccup was, forgetting to install the remote…which is a must in order to get the sub to work. Knucklehead move on my part smh. Took longer to tune everything to my liking ( couple weeks of tweaking this and that) , than the actual install.

[A4Maine-iac]

Yes that harness was key! I went this route and was very happy. Yes is its about an 1" too thick but i have a cargo matt so you cant even tell. Just need to spend some time tuning it. Think ill have another do that for me. These old ears don't hear like thy used to.

https://www.amazon.com/dp/B00IIL0LW0...sin_title&th=1

https://www.amazon.com/dp/B09K39JFFM...fed_asin_title

[RWLib3]

Just a quick note for anyone looking to do this...I used a Kicker 46KISLOAD2 ($40ish - high line in) using Praneel's harness, to a Kicker 46KISLOC ($15 - RCA out). Works great so far! Hasn't cut out once. Both units are very small, and fit nicely into the foam around the spare tire. I started with a Rockville 11" spare tire sub, as I don't want/need a ton of bass, but its more than enough for what I need. May upgrade to the CV at some point though...

[DC321]

Thanks for all the info and pictures in this thread. I have ordered everything including the harness and am looking to get this done this weekend. I think with the pics and info here I will be able to put this together.

[DC321]

I love this knob install.

[DC321]

OK, so I pussed out. I had an installer do it even with the premade harness. I was afraid to wire it to power.

He said I didn't need the LC2I Pro. It did not die out over the 20 minute drive home. I told him if it does I will be back.

Anyone else do it without the LC2I pro?

[FlakoRevoS4]

Has anyone used the main outputs out of the LC2 pro for another amp while using the bass connection as the input as we use it here for the bass upgrade?

[iampraneel]

OK, so I pussed out. I had an installer do it even with the premade harness. I was afraid to wire it to power.

He said I didn't need the LC2I Pro. It did not die out over the 20 minute drive home. I told him if it does I will be back.

Anyone else do it without the LC2I pro?

It typically works fine for a few start cycles then the bass cuts out.

[Landobourbon]

I am an electrical novice. I purchased everything on Praneel’s list. Does anyone have step by step instructions? What tools will I need?

[Local]

I am an electrical novice. I purchased everything on Praneel’s list. Does anyone have step by step instructions? What tools will I need?

I think I posted a step by step guide.

I'm 100000% more of an electrical novice. I thought when I stuck the fuse in on the power wire I was gonna die. I thought when I connected it I was going to die.

Somehow its still all good.

Just take your time. Nothing is that hard or is anything you can't do with a little time and a really really really good wire cutter / outside remover.

Don't be like me and use a lighter to burn off the rubber to make connections. I learned some really bad habits from watching my russian friends do home repair.

[4TBBUCS]

Well damn….looks like a new player in the spare tire subwoofer game has emerged. Hmmm, looks similar and specs are also similar to the CV. Buttttttt MORE POWAAAA LOL. May pick this up and swap out the CV. A bit more boom wouldn’t hurt!!! Should be a similar process and compatible with iampraneel harness. What say you iampraneel??


https://nvx.com/products/qbsta-900w-...-level-control