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I recently installed the factory Kicker sub woofer to my Bose system, it is a big improvement but something is weird, I have to set the bass at -12 on the tone and the mid and treble at +7. I looked at the sound using pink noise and a real time analyzer. Those numbers got me closest to a flat response curve. I have done some checking on line and as soon as you install any kind of sub especially aftermarket the ANR starts fighting you. Amazon has a cable that you connect to the amp to shutdown ANR, just got to pull the console to find the amp and see if it will work with the 19. System. I understand what ANR does studied wave cancelation in high school physics. I know enough to know I don’t want it. Anyone adding a sub to Bose might want to check into this.

I just finished adding an amp and sub to my 2019 Sierra double cab and wanted to share some info to help others. Power--Connected to the positive post. I backed off the clamp bolt just far enough to insert a connector (used a standard ring connector and clipped the top, making it into a C). There is a rubber grommet on the firewall directly behind the battery that had an unused accessory nipple. I snipped off the end and 4 gauge cable slid through it perfectly. Remote on--fuse box is on the passenger side end of the dash. I used a test light to find a fuse slot that powers up with ignition. Run the wire down to the power cable you just pulled through the firewall. There is a ton of room to run these down the passenger side and there is no need to remove the center column plastic as the cables will run underneath with no issue. If you need more room to work, there are are a couple caps that cover the stock wire loom that can be removed. Two bolts close to the door seal and two more just under the carpet. I used a wire coat hanger, fed it from the rear seat to the front, and taped the two wires to it so i could pull them straight back. It worked great. Line out convertor---I found a wiring pdf doc for my 2019 which included the amp and speaker plugs with color codes. Open the wire loom that you just ran your power lines next to and look for the stock subwoofer speaker wires. The colors are, positive + was blue/grey (almost looked pinkish grey) and the negative - was green/black. These two wires will be twisted together like other speaker wires. I was thinking about using the front door speakers if I did not find the sub wires but this hookup sounds nice so I plan to stick with it. This only supplies the convertor with 1 input so I used a y plug on the live rca out of the convertor so my amp received both coaxial feeds to the input . Ground-- I removed a rear seat bolt, ground off the paint underneath and tightened it back down on my ground connector. Extras---I removed the stock jack and placed it in my bed storage box so I could use the brackets fixed bolts to attach my accessory board. I then attached my capacitor and power block to the secured board. I am sure there are things I could have done better so feel free to respond with better ways or what worked for you. I am by far no expert but have been doing my own backyard installs for almost 30 years and they have never failed me. I just wanted to give people some tips in case they think the job is way too hard because it was actually quite easy and sounds fantastic (well, as good as stock audio can sound with some extra thump).

Just an FYI for an issue I just resolved with my 2 week old 2017 Silverado. Drove off the lot and put on some music that had some mid-range bass and my passenger door speaker was causing a rattle that I wasn't sure if it was the door rattling or a blown speaker but either way it was horrible and needed attention by the dealer. Dropped it off and they pulled the interior panel and added sound proofing tape and wrapped the area they believed was causing the problem. Was in and out in a couple of hours and was covered in full by warranty. Cranking some old hip-hop without any rattle and I'm a happy camper. Dealer said this has been an issue for years and I was able to find a similar thread on a 2014 here... Easy fix...

I have an AT4 with the Bose sound system and there is no reason for me to ever go above 1/3 volume. Maybe I will go to half if I’m all by myself..... I thought it it had something to do with my phone being connected to Bluetooth but nope, switched to radio and same thing. Ive never turned it to full volume, worried the speakers might blow. anyone else notice this?

Replacing Bose factory 6.5" subwoofer in the center consol with a JL audio 6w3v3. I have seen many people talk about doing this but have never actually seen anyone follow through. I also replaced my rear door speakers. Factory size is 4x6 and I put in 6x8. Made tempelate of speaker size and traced onto the truck door with sharpie. Then used tin snips to cut out the hole. It was super easy and there is nothing back there to get in the way. Then made a mounting ring out of MDF and a jig saw. Painted it black and put a foam sealer on it which pulled tight when I mounted the speaker. I did notice a better sound quality when I added the 6x8 over the 4x6. I swapped because I lost sound out of my back right speaker and thought why not throw a bigger speaker in there. I will be installing the JL 6w3v3 with the JL jx250 amp this week and I will post pictures and let anyone know how it turned out. Obviously it's not a 10 or 12 under the rear seat but I think it will add a much better sound overall. Not looking to wake the neighborhood. I have read many places it's is "sooo complicated" to get to the Bose sub in the center consol why bother with it. Not true at all. It took 25-30 min to get the entire console out and pull the sub.

I have a 2003 Chevy Avalanche 1500. My factory amp under my center console I believe is going out because sometimes when we get in the truck the radio plays audio & others it does not. Everything comes on as it should, just does not play any sound. We could be driving & all of a sudden it comes on. I have unhooked all my wires at least 3 times & re hooked them up just to make sure I have not had any loose wires or bad connections. So I want to do a temp fix until I can replace the factory amp. I want to bypass the amp & hook the speakers straight up to each other from the amp wiring harness. I would unhook the 2 wiring harnesses on the amp & then run a jumper wire from each speaker to make it like the amp never there. I want to run it this way instead of running all new wires to each door. If anyone can help me with this project that would be great.

Hi guys, Does anyone have the Bose amp (like the one on a 2015 Yukon SLT) harnesses wiring diagrams. Specifically for the speakers. Cheers.

Hi all. New member here. Feels great to come back from the "dark side". After owning and loving my 07 Tahoe LT3 and then having a horrible experience with an 09 Tundra, I finally landed in the drivers seat of my lovely 15 GMC Sierra 1500 All Terrain. Ive looked through the various options and lurked on the forums for a while and I cant seem to find a solution to my problem that fits my needs. I'm aware of the kicker audio upgrades for the sierra, and custom (or pre-made) enclosures for under the rear seat. Unfortunately since I use my vehicle for work and frequently have expensive audio/visual equipment in the rear of my truck, a rear seat enclosure isn't an option. While bose is a love hate brand, I had no issues with the stock bose system in my 07 Tahoe. The stereo in my all terrain is decent, but I would love a little low end grunt. I am aware of the dual voice coil nature of the bose sub, if you would even call it one. Has anyone added the center console bose enclosure to a non-bose truck with the center console? Is it possible? Thanks

*I can't get the pictures to load for some reason but you can message or text for them* This totally plug n play interface works with all 2014-2018 Silverado, Sierra, Tahoe, Denali etc with Bose or non amplified systems to add aftermarket amplifiers while retaining factory functions however be aware it will NOT work with the 7" iob oddball I have! Full specs/compatibility here... https://navtv.com/products/NTV-KIT838/m650-gm.html $750.00 shipped anywhere in the states and message for others. Many references here, google "Mr Marv Tacoma" for my online reputation and you can always call me at 831-383-0308.

i'm considering installing the Alpine ILS-i207 with the idatalink Maestro in my 2014 silverado that came with factory NAV and BOSE. I'm curious if others have done this combo...or any HU with the Maestro, and whether or not you lost any SWC functionality. I'm also curious what changes or loss of info occurs on the smaller display on the cluster? Does the Maestro provide some of the detail you get with the factory system? thanks, Jim

I have the bose audio system in my 2018 All Terrain. I have the XM Radio trial and I have my subscription to Spotify. After about 2 month of ownership I've realized that the XM Radio has significant better quality in sound than using apps from my phone by bluetooth, or apple play. I have adjusted some settings within those apps to play the highest quality yet it doesn't translate as well as the XM Radio. Each time I switch between the two. I have to crank up the volume for spotify and crank it back down when on XM. Anyone else experience that? Any resolution?

So after much searching it appears that nobody has yet to figure out how to add a 4-6 channel amp to their 2015+ (I have a 2015 2500 slt with bose and bucket seats)factory radio and bypass the bose amp. Or has somebody figured it out and I have just not been able to find it?? Thanks in advance

So after much searching it appears that nobody has yet to figure out how to add a 4-6 channel amp to their 2015+ (I have a 2015 2500 slt with bose and bucket seats)factory radio and bypass the bose amp. Or has somebody figured it out and I have just not been able to find it?? Thanks in advance

Sold (actually given away already!)

I just traded in my 2012 2500 crew cab (Chevy LTZ) for a 2016 3500 crew cab (Denali) and have noticed a huge difference in the sound of the stock stereo. They are both Bose premium systems but they sound worlds apart. I have seen other posts on 2016 Yukons and Tahoes that the new ones are hollow, but have not seen comments on the 2016 trucks. Not to knock the truck as everything else has exceeded my expectations except this, but for an MSRP of almost 70K, I think a vehicle should have a decent stereo. I even tried to reach out to GM to see what size speakers where in the truck: JC:7:02:52 PM GMC - Assistance with my Infotainment system Connection established. Welcome to GMC Connecting.....A live chat agent is now entering the chat. A:7:03:12 PM Hello and welcome to GMC Infotainment Customer Support! How may I help you today? JC:7:04:14 PM Hi A, I just purchased a 2016 3500HD crew cab Denali and have a few questions about the speaker system. Would you be able to help with this? A:7:06:56 PM Congratulations on your new purchase! We don't assist with speakers. To better assist you I am going to transfer you to our Customer Assistance Team who can better answer this question. would you like me to transfer now or do you have any questions regarding the infotainment system-IntelliLink? JC:7:07:38 PM No, please transfer me. Thank you. A:7:08:25 PM Ok. Please hold one moment while I transfer you. Thank you. Agent Tyler enters the call Agent Antonio left the call T:7:10:50 PM Thank you for contacting GMC Customer Assistance, My name is Tyler how can I assist you today? JC:7:11:17 PM Hi T, I just purchased a 2016 3500HD crew cab Denali and have a few questions about the speaker system. Would you be able to help with this? T:7:12:09 PM What kind of questions do you have for the speaker system in the car? JC:7:12:46 PM This is 2 parts:I have a Bose 7 speaker syste JC:7:13:29 PM The first is what size speakers are in the dash, front doors, and rear doors? JC:7:15:48 PM The second is it seems I have no sub, which I believe is supposed to be speaker 7. I just traded in a 2012 with a bose and the sub was in the console.....Is that the same for my 2016? T:7:17:16 PM Unfortunately we don't have technical information. I recommend contacting a dealership, they would have more information about the size of the speakers. Please allow me 2 to 3 minutes to see if the sub woofer is included. JC:7:18:44 PM No problem on the delay. I want to confirm whether or not it's included. Thank you. T:7:20:56 PM Thanks for waiting, I'm sorry but I don't have any information on the Bose Package. I recommend asking the dealership this question also. Sorry for any inconvience. J:7:21:57 PM Thank you T, I appreciate your time. .....am I being unreasonable thinking this is not right?

Hi everyone, so recently I installed a sub/amp setup in my 2018 Sierra SLT Crew Cab. My truck has the 6 speaker BOSE without sub (no console/no sub). We tapped into the rear speaker wire for a signal to an Audiocontrol LC2i. I am noticing that certain frequencies are causing the bass to drop out. It seems like when there is a heavy bass line or kick, while also a singing voice/higher frequency sound, they are competing and ultimately the bass will drop out. Most instrumental music sounds great in the truck, the bass loss is only occurring when there other certain frequencies playing simultaneously. The bass will drop out/go really low, then the next hit will be normal (loud) when the frequencies are no longer competing. I am wondering if this is normal with the LC2i or if something else is causing this issue. Sorry if this explanation sucks...in a nutshell, any bass enthusiast will be able to notice this as soon as they got in my truck. The bass is not consistent and it is super annoying when it drops in and out. (For Ex. the same kick drum will hit at different levels throughout the same song depending on which other sounds are occurring at the same time) Thanks for any replies in advance, I appreciate it. - KJ

Hi everyone, so recently I installed a sub/amp setup in my 2018 Sierra SLT Crew Cab. My truck has the 6 speaker BOSE without sub (no console/no sub). We tapped into the rear speaker wire for a signal to an Audiocontrol LC2i. I am noticing that certain frequencies are causing the bass to drop out. It seems like when there is a heavy bass line or kick, while also a singing voice/higher frequency sound, they are competing and ultimately the bass will drop out. Most instrumental music sounds great in the truck, the bass loss is only occurring when there other certain frequencies playing simultaneously. The bass will drop out/go really low, then the next hit will be normal (loud) when the frequencies are no longer competing. I am wondering if this is normal with the LC2i or if something else is causing this issue. Sorry if this explanation sucks...in a nutshell, any bass enthusiast will be able to notice this after hearing a few songs. The bass is not consistent and it is super annoying when it drops in and out. (For Ex. the same kick drum will hit at different levels throughout the same song depending on which other sounds are occurring at the same time) Thanks for any replies in advance, I appreciate it. - KJ

John Goreham Contributing Writer, GM-Trucks.com 4-26-2018 Framingham Massachusetts-based Bose has earned the 2018 General Motors Supplier of the Year Award. The award was presented during GM’s 26th annual supplier recognition day in Orlando, Florida this week. “This is an opportunity for General Motors to honor those suppliers who are truly the best of the best,” said Steve Kiefer, GM vice president, Global Purchasing and Supply Chain. “The automotive industry is transforming at an incredible rate. The relationships we have with our supply base means everything when it comes to delivering a strong vehicle lineup today and the cutting-edge vehicles and mobility services of tomorrow.” During the event, GM took time to recognize 132 of its top suppliers from 17 countries. GM’s awards for best supplier go to companies that consistently exceeded GM’s expectations, created outstanding value, or bring new technological innovations to the company. Bose has now earned the top spot in five of the 26 years the award has been presented. “We have a team of highly dedicated people who support our global work with General Motors, and they make sure our systems consistently exceed expectations,” said Ken Johnson, global director for Bose Automotive’s GM business. “This award is a testament to that commitment and we are incredibly honored by the recognition.” The privately help Bose company was founded by MIT Professor, Dr. Amar G. Bose, in 1964. However, it wasn’t until the early 1980s that Bose began to provide premium audio to automakers. Dr. Bose approached GM with a surprising proposal; That he and his company could make premium audio for cars that sounded better than the best home systems. Bose pioneered tuning audio systems to specific models, a practice that is now commonplace. Coincidentally, Bose is headquartered and does much of its manufacturing and research close to GM-Truck’s members’ homes. We have a number of neighbors proud to work at the company, which has a reputation for hiring the best minds in the region. Bose is considered by many to be one of the best places to work in the Northeast.

I just replaced my alternator on my 2006 Sierra 1500 today, after doing so my radio only plays sound out of the subwoofer. I checked the radio and amplifier fuses and they were good. Any help would be greatly appreciated!

I am trying to add an AudioControl Line Output converter, and 2 separate amplifiers to my existing 2015 Sierra Crew Cab SLT Bose system. I'll use a 5-way amp to power the front, rear, and console subwoofer. I've got a sub amp to power dual 10" subwoofers in an enclosure under the back seat. I've looked everywhere for a 2014-2015 GMC Sierra aftermarket harness for Bose systems without any luck. Basically, I would like to fabricate a custom harness so that I don't have to totally splice into the existing wiring. That way, I can simply keep my existing bose system in place, and if needed for warranty or if I end up selling or needing to yank out the audio system, still keep factory in place. Also, I can't completely remove the factory Bose amp, because it handles other processing, like bluetooth, door chimes, etc. The amp will continue to power the two dash speakers, and have other low level inputs from the factory head unit, but all of the other speakers outputs (from Bose Amp) will be summed by the AudioControl LOC, then output via RCA to the two amps, with speaker level outputs from the amps back to the custom harness and out to the speakers. I've found an adapter from Metra for an amp bypass (http://www.metraonline.com/part/70-2057), which was made for non-bose, but will work for the female side of the custom harness on the bose system, but I need the male versions of the adapter as well to connect to the amp. If I could get the harnesses identified as #3 in the photo below, I think that will work. Then I just do all the splicing and electrical connections on the custom harness instead of factory wiring. Any idea how to find/order it?

I want to install the PSS-31GM alpine system. It is listed as not compatible with Bose. So I'm thinking BS. it can be done. I just need the signal to each speaker to a Audio control crossover then RCA out to amp. Is the Bose a 4 channel or a 6 channel? <--matters for the crossover I need the wire out diagram. I may upgrade the rear door speakers to alpine X 6.5 , as the low end speakers don't look up to par. Yes I now there is a 10" Alpine restyle dash available. But it offers 2-3 more features and the lose of a few factory options. So at this time not interested. I was going to do a custom fiberglass box with amp. but at $1200 for the equipment alone and that is just low end bass. it makes the Alpine a steal!

I have a 15 Sierra Denali. I recently changed the front and back door speakers to infinity kappa coaxials. I found out the rears are getting a full range signal from the Bose amp and the fronts are filtered along with the dash. Is there any way to get full range to my front doors without an external amp? I will also Change the dash to infinity 3.5 2ways.

So, I just picked up my 2017 Sierra yesterday and ever since we got home, I get this weird electronic chirp when I start it. I didn't hear it during the test drive because I didn't start the truck myself. It seems to come from the speaker, and it has the Bose (center console so I think 6 speakers and a sub?) if that makes any difference. What is that thing lol

I'm installing a line out covertor for an amp in my 2016 Silverado WT. it does not have the BOSE system. I need to know what color the speaker wires are behind the radio and which plug they are on. I have looked every where for a diagram but I can not find one.

I bought a 2016 Sierra SLT with the Bose 8 speaker system 5 weeks ago, and the front right speaker already sounds awful. I haven't turned the bass much up at all, but it sounds blown. Even when i turned the bass to negative numbers it still cracks. Would a dealer replace this for free? Can anyone give me some advice on his to fix this. Thanks for the help