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2007-2013 Chevrolet Silverado and GMC Sierra Crew Cab

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Chevy Silverado

2007 Chevrolet Silverado Crew Cab (Crutchfield Research Photo)

Chevy Silverado GMT800

The 2007 "Classic" models have a distinctive face. (Crutchfield Research Photo)

In a nutshell: This article is an overview of your truck's audio system and its upgrade options. Use our vehicle selector to find the gear that will fit your Silverado or Sierra. 

Overview of the Chevy Silverado and GMC Sierra

Pickups aren’t just about hauling what’s in the bed or on the hitch anymore. They now feature interior touches that rival some luxury cars. The audio/video equipment in this new breed of pickup truck is no exception, and Chevrolet made sure to equip the new-for-2007 Silverado/Sierra Crew Cab 1500/2500 with some top notch features.

If you didn’t get the premium stereo on your truck, or you just want to improve on what’s already there, you can add anything from a simple speaker upgrade to a complete mobile theater makeover.

The chassis discussed here, known inside GM as the GMT900 and to the rest of the world as the Chevy Silverado and GMC Sierra, was introduced in 2007 (it's sometimes referred to as the "2007.5 Chevy Silverado").

The previous generation, the GMT800, hung around for another year as the "Classic" model. If you're not sure which '07 version you have, compare your truck to the photos above. The more aggressive-looking "Classic" features distinct "eyebrows" above the headlamps, plus a slight dip in the front bumper to accommodate the grille.

Factory radio

The GM factory radio in the Chevy Silverado (Crutchfield Research Photo)

Factory stereo system in the Silverado/Sierra

These trucks came equipped with several stereo systems, including a 6 CD in-dash Bose® system and options to add navigation, rear seat audio, DVD systems, or satellite radio. It’s possible to add to or completely replace any of these stereo systems fairly easily, though getting to the amplifier and 6-1/2" subwoofer of the Bose system requires some extensive tear down of the interior. And it’s not hard to replace any of the features you may lose by taking out the factory stereo, because there are adapters that let you keep OnStar®, steering wheel controls, Bluetooth® and more.

You'll need a mounting kit to trim out the new radio, along with an antenna adapter that allows you to connect the Chevy antenna plug to your new radio. You'll get these parts at a deep discount with your receiver order, along with free step-by-step instructions for your Silverado. We also offer a big discount on the special adapters (see below) that you'll need for this installation.

Dash without radio

The Silverado's rather spacious dash opening (Crutchfield Research Photo)

Replacing your factory radio

These are reasonably easy systems to work with, but there are some differences between the regular and Bose systems. We want to give you a heads up now, but don't stress too much about the details. When the time comes for a new one, our Crutchfield MasterSheet instructions will tell you exactly how to install an aftermarket stereo in your Silverado or Sierra, no matter which version you have. 

Standard system

If you’re replacing your standard GM radio, you’ll need to purchase an adapter that allows you to install a new stereo and still retain your warning chimes (along with OnStar functionality if you have it). You’ll also need a relay to keep your audible turn signals working with your new car stereo.

Bose system

If you’re replacing your GM Bose radio, you’ll need to buy an adapter to install your new stereo, allowing you to retain your warning chimes, the use of the Bose amplifier, and your OnStar functionality (if you have it). Another note: if you have the GM Rear Seat Entertainment (RSE) system, you also need a separate adapter to keep that system working and connect it to the audio/video output on your new receiver.

The Crutchfield website will make sure you get what you need for a proper installation. And if you have any questions about this stuff, our Advisors are just a phone call or chat session away. 

Note: Some double-DIN radios may not fit because of irregularities in the dash substructure. It’s best to pick a double-DIN radio with wire harnesses or RCA connectors located on the bottom half of the back of the radio. Your other option is to pick a new radio with a depth that’s less than 6-1/2 inches.

Tools needed: Panel tool, 7mm socket and ratchet.

Detailed installation instructions

MasterSheet image
If you're looking for step-by-step instructions on how to install a car stereo or speakers in your car, there's nothing better than our exclusive Crutchfield MasterSheet™. This detailed, well-illustrated document is free with your Crutchfield order, or you can purchase one separately for $9.99.

Steering wheel audio controls

It's relatively easy to retain your truck's steering wheel audio controls when you install a new stereo. When you enter your vehicle information, our database will choose the adapter you need to make your factory steering wheel controls work with your aftermarket receiver.

Shop for car stereos that fit your GMC Sierra

Replacing the factory speakers in your Silverado/Sierra

Front door speaker

The front doors will hold a variety of aftermarket speakers (Crutchfield Research Photo)

Removing the front and rear door speakers

Speaker replacement in the Silverado/Sierra is straightforward. The factory speakers in the front doors are closest in size to an aftermarket 6-3/4" speaker, but you’ll need an adapter plate to install any speaker in there. The front doors will accept several very common speaker sizes, including 6-3/4", 6-1/2", 5-1/4", and the adapter plates make for an easy installation. GM uses a 4-ohm speaker in the front doors, so you have lots of great choices.

In the Bose system, the speakes are low-impedance models, so you should replace them with low-impedance aftermarket speakers. A standard 4-ohm speaker will result in reduced volume. 

You'll need speaker harnesses to attach your new speakers to the plugs that connect to the GM factory speakers. The speaker harnesses and speaker mounting brackets are included at a deep discount with every Crutchfield speaker order.

You can use the same size speakers in the rear doors. If you rarely have passengers in the rear seats, you might consider using these locations for midrange speakers that will really fill out your music’s sound. On the other hand, if you do a lot of people-hauling, you should consider replacing the rear door speakers with full-range units, which will maintain some high notes for back-seat passengers.

Bose tweeter

The Bose system includes A-pillar tweeters. (Crutchfield Research Photo)

Removing the front pillar speakers

The A-pillar tweeters found in some trucks are easy to remove, but you’ll need to do a bit of work to install the replacements. There's no wiring harness adapter made for this location, either, so you'll need a set of Posi-Products speaker connectors to hook everything up. You'll also need a mounting bracket, and using our universal backstraps will be a much easier solution than making one of your own. You can also use hot glue or silicone to secure your new tweeters.

Tools needed: small flat blade screwdriver

Shop for speakers that fit your GMC Sierra

MTX Thunderform

This ThunderForm fits under the rear seat of your 2007-up Crew Cab. (MTX photo)

Bass in your Silverado or Sierra

If your Silverado or Sierra came equipped with the Bose system, there is a small woofer mounted in the center console, along with the amplifier that powers all your factory Bose speakers. If you want more bass, it’s a good idea to simply eliminate or bypass this woofer and add a new, larger sub with a more powerful amp.

Thanks to a variety of custom enclosures that fit in the center console or under the rear seats, you’ll be able to keep valuable interior room and add more kick to your music and movies. To see the complete list of what's available, enter your truck's information in our Outfit My Car page.

A variety of sub enclosures will fit these trucks, including a dual 10" model that goes under the rear seat.

Shop for vehicle-specific subwoofers for your GMC Sierra

chevy silverado interior

A well-appointed truck deserves well-chosen audio and electronic gear. (Crutchfield Research Photo)

Other options for your Silverado or Sierra

There are plenty of other ways to improve your pickup. Here are a few suggestions:

Rear seat video

The optional DVD system features a flip-down screen in a roof console and two pairs of wireless headphones. A secondary set of controls for the radio and DVD system are housed in the rear of center console, and some models include an A/V input for adding more gear, like a gaming console. If you’re replacing the factory stereo, you’ll need an adapter to keep that system working and connect it to the audio/video output on your new receiver.

Adding an aftermarket DVD player and screens to a Silverado is pretty easy, thanks to products like flip-down overhead monitors with DVD players or replacement headrest screens that match the truck’s interior.

SiriusXM satellite radio

GM made satellite radio available as an option on most models. If you have a current subscription, you’ll want to add a new satellite radio tuner to your new head unit. You can call SiriusXM to move service over to the new stereo. If you have multiple vehicles, consider getting a plug-and-play tuner to take your satellite radio along, no matter which vehicle you’re driving.

Add a new amplifier for even better sound

The factory Bose system includes amps, but they aren’t ideal for use with aftermarket head units or speakers. It’s best to bypass or eliminate these amps in favor of newer gear if you want the best possible sound. You’ll find room for a new 4-channel amp in the spaces under and behind the seats or in the center console.

Remote start and security systems

Adding remote start capability to your vehicle lets you warm it up in the winter or cool it down in the summer. The iDatastart system is incredibly convenient and makes it easier than ever to install a remote start system, so we highly recommend it. The module requires a vehicle-specific T-harness (sold separately) to connect with your vehicle's computer, security, and ignition systems, so we ask that you call to order so that we can make sure you get the right harness for your ride.

You can also talk to your Crutchfield Advisor about a security system. They’re not as easy to install (we usually suggest letting a professional do the job), but we can help you choose a system that’ll work in your vehicle.

Shop for car security systems for your GMC Sierra

Find the audio gear that fits your car or truck

Visit our Outfit My Car page and enter your vehicle information to see stereos, speakers, subs, and other audio accessories that will work in your vehicle.

  • Chris from Acushnet

    Posted on 11/5/2018

    I have a 2003 Chevy Silverado 1500 LT with the bose speakers , i just want to change the headunit out but still keep the bose speakers but i would also like to keep the same power they have what should i do , i would replace the head unit with a touchscreen pioneer with Bluetooth so what should i do ?

    Jon P. from Crutchfield on 11/7/2018
    Chris, We can help you with that. I've sent your question to our sales team, and they'll be contacting you via email soon. For immediate help, you can contact them via phone or chat. Thanks!
  • Jon Paulette from Crutchfield

    Posted on 4/16/2018

    Irving, If you bought your gear from Crutchfield, you can call Tech Support for free help troubleshooting your system. If you purchased your equipment elsewhere, you can still get expert Crutchfield Tech Support - 90 days-worth for only $30. Check out our tech support page for details.

  • Irving Cazares from Poteau Oklahoma

    Posted on 4/14/2018

    I have a 2010 chevy silverado relugar cd stereo my question is on the harness adapter there is one wire red ignition switch where I connect any suggestion?

  • Jon Paulette from Crutchfield

    Posted on 3/6/2018

    Mike, When you enter your vehicle's info into our Outfit My Car tool, you'll see which stereos fit your car, plus the correct harness. I'll forward this to our sales team, and they'll be contacting you via email soon. For immediate help, you can contact them via phone or chat.

  • Mike Green from Chester

    Posted on 3/5/2018

    Installing a touchscreen radio in 07 gmc sierra new body style with bose system. No backup cam or xm. My question is what harness do i need to keep my blinker sounds and door chimes?

  • Jon Paulette from Crutchfield

    Posted on 4/10/2017

    Brad, When you enter your vehicle's info into our Outfit My Car tool, you'll see which stereos fit your car, plus the correct harness. If you have any questions, our advisors are available via phone or chat.

  • Brad from Quitman

    Posted on 4/10/2017

    I'm wanting to instal a couple of subwoofers under my back seat will the same box that fits the extended cab silverado fit the same in a crew cab. I have a 2006 silverado crew cab by the way all the boxes that I find say they fit the extended cab but doesn't say anything about crew cab

  • Jon Paulette from Crutchfield

    Posted on 3/16/2017

    Albert, We'll be happy to help you with that. I've sent your question to our sales team, and they'll be contacting you via email soon. For immediate help, you can contact them via phone or chat.

  • Albert Hernandez from Van Nuys

    Posted on 3/16/2017

    So, Im installing an AVH-4100NEX stereo to my 2007 Chevy Silverado (New Body Style). What do I need to purchase to install the stereo as far as harness, antenna cable, chassis, etc, go?

  • Jon Paulette from Crutchfield

    Posted on 2/20/2017

    Adam, There's no wiring harness adapter made for this location, so you'll need a set of Posi-Products speaker connectors for the tweeters. You'll also need to use a set of our universal backstraps (or hot glue or silicone) to secure them. Give us a call and let one of our advisors hook you up with a set of tweeters and everything you need to install them.

  • Adam D Pozorski from Colgate

    Posted on 2/19/2017

    If I am installing New speakers in all doors and the a pillar tweeters in a 2008 silverado LTZ with the bose system and installing a 4 channel alpine amp. I have to run new speaker wire to the speakers, how would I install the tweeters to be able to run off of the 4 channel system?

  • Jon Paulette from Crutchfield

    Posted on 1/26/2017

    Stacey, The 6-1/2" speakers up front will work nicely, but in the back, it's really up to you. Bigger can be better, but even a set of 5-1/4" speakers can fill out your sound nicely. You'll need to fabricate a mounting bracket for either size, though.

  • Stacey from Southside

    Posted on 1/25/2017

    I have a 2008 Chevrolet Silverado Extended Cab it doesn't have the Bose factory head unit. All I want to do is change out the factory door speakers. Will it be okay to replace all 4 speakers 6.5 in size or should I do 6.5 in the front door and 5.25 in the rear?

  • Jon Paulette from Crutchfield

    Posted on 9/12/2016

    Titus, Cab designs are the same for the 2500 and 1500, so the 1500 speaker array should work fine. But we could do a better job of explaining that, so thanks for pointing it out!

  • Titus Benedict from Shelton

    Posted on 9/10/2016

    Why is there no speaker selection for a 2008 Chevy 2500 hd extended cab?

  • Jon Paulette from Crutchfield

    Posted on 7/1/2016

    Bret, Sorry that's not working out as planned. The good news is that you bought your speakers from us, so you can call Tech Support for free help troubleshooting your system. Give us a call (the number's on your invoice), and we'll be happy to help you.

  • Bret from Emporia

    Posted on 6/30/2016

    The passenger side rear door speaker in my 2009 GMC Sierra crew cab quit working. I pulled the door panel and checked for continuity on the speaker, which indicated it was shot. I attempted to install a Rockford-Fosgate R165X3 as a replacement using the harness adapter Crutchfield provided and it sounds terrible (no bass). I noticed that your guide indicates the impedance of the front & rear speakers as 4 ohms, but the speaker I pulled from the door has 8 ohms stamped on the magnet. According to Details section for the R165X3 speakers they are rated at 4 ohms. Would the difference in impedance (4 vs 8 ohm) cause the complete lack of low end sound from the new speakers?

  • Jon Paulette from Crutchfield

    Posted on 6/27/2016

    Lee, It could be a bad ground. Check out our Noise suppression guide to learn more.

  • Lee from Hensler

    Posted on 6/26/2016

    I have a 2009 Chevy Silverado LTZ with a whining noIse coming through the stereo speakers. The pitch of the whine changes with the engine RPM. The stereo is factory. The noise stops when I turn the volume way down but the volume control does not control the volume of the whining noise. Could it be possible I have a bad amp?

  • Jon Paulette from Crutchfield

    Posted on 6/22/2016

    John, These tweeters are full-range, but you can replace them (along with the woofers) with components if you like. To see what fits your truck, just enter your vehicle info on the Outfit My Car page.

  • John from Eldorado, AR

    Posted on 6/21/2016

    I have a 2013 Silverado Ext Cab LT Z71 and it has the pillar speakers but no Bose. Does your sites vehicle fit guide still work for me. do you know if these happen to be component speakers or seperate from front door.

  • Jon Paulette from Crutchfield

    Posted on 4/25/2016

    Brian, It sounds like the factory receiver isn't liking the new amp, so it's simply refusing to deal with it. If you bought your gear from Crutchfield, you can call Tech Support for free help troubleshooting your system. If you purchased your equipment elsewhere, you can still get expert Crutchfield Tech Support - 90 days-worth for only $30. Check out our tech support page for details.

  • Brian from Minneapolis

    Posted on 4/23/2016

    I have a 2014 Silverado 2500 and I installed a JL Audio XD700/5 in place of the factory Bose amp, using the factory head unit signal wires. It was working fine for about 10 minutes of listening, but now there is no sound from any music source (AM/FM/XM/Aux) However, warning chimes, turn signals, NAV instructions, and bluetooth telephone all still work perfectly. I have no idea what happened, it is almost as if something switched inside the head unit. Any experience with this??

  • Jon Paulette from Crutchfield

    Posted on 1/11/2016

    Ken, I'll forward this to our sales team for the best answer. They'll be contacting you via email soon, but for immediate help, you can contact them via phone or chat.

  • Ken from Manhattan. KS

    Posted on 1/10/2016

    My daughter bought a 2007 Chevy Silverado 4X4 2500 ans wants to replace the stereo with after market. The harness for that transition seems to be all over the place. IT does not have on-star or Bose. What exactly do I need to replace this OEM radio.

  • Jon Paulette from Crutchfield

    Posted on 12/3/2015

    Kyle, Happy to be of help. If you have some time, visit our Custom Car Showroom and tell us all about your truck.

  • Kyle Davis from Lufkin

    Posted on 12/3/2015

    I just finished putting...well starting on mine I luckily didn't have the Bose system so tear down was simple we pulled the back seat's out and put a 1,400 watt amp in with a ported box under the seat with 2 10's and oh my does it beat and will even more so due to me adding a stinger battery so my lights will stop dimming....after Christmas my plan is to pull the back seat again and do another amp there and wire my mids and highs from there 1 day at a time I guess but thank you for the speaker sizes man that's going to make my life much easier

  • Jon Paulette from Crutchfield

    Posted on 11/4/2015

    Mauricio, There are a lot of great ways to improve your truck's stereo system. You can use our vehicle selector to confirm which stereos fit your pickup and what's needed for the installation. Or, just give us a call and talk to one of our advisors about the system you want to build.

  • Mauricio nun from denver

    Posted on 11/3/2015

    Can I add stereo system on the Original stereo for a 07 silverado LT extended cab In other words can u add RCA to the back of the stereo

  • Alexander Hrabe from Crutchfield

    Posted on 7/31/2015

    Robert, if you ordered your stereo from us, you should have received a free MasterSheet with your gear. Just give us a call at 1.888.955.6000, and an advisor will be able to send you what you need. If you didn't purchase your stereo from us, we have vehicle-specific MasterSheets available for $9.99.

  • Robert P Centeno from United States

    Posted on 7/31/2015

    How can I get introduction How to install may New sterio and my silverado 2010 to do it myself I didn't get that sheet

  • Jon Paulette from Crutchfield

    Posted on 7/20/2015

    Kellen, This article on connecting your speakers to an amp should have the answers you're looking for. And if you bought the amp at Crutchfield, you can always call our Tech Support team for free help troubleshooting your system.

  • Kellen from Orlando

    Posted on 7/18/2015

    If i wanted to hook an amp to the door speakers, where would be the easiest access point to the four wires, and is there a limit to how much the speakers can be amped due to wire size?

  • Jon Paulette from Crutchfield

    Posted on 7/13/2015

    Grady, Is this the factory stereo or a replacement? Either way, something is definitely wrong in there. Start by checking all the connections. Hopefully, it's something simple like that. Good luck!

  • Grady Ross from United States

    Posted on 7/13/2015

    Why does the radio/cd player sounds low and the volume will not adjust. Once the radio/CD is turned off for awhile the speakers sounds are normal and adjustments return to normal?/.

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