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Brett M's 2002 GMC Envoy

I started my Crutchfield career as a product advisor. I fielded thousands of customer questions about A/V equipment, designing systems for homes, cars, and the occasional party bus. Do that for eight years, and you begin to understand what people really want from their gear. You also get a lot of hands-on experience with the latest products. That's one of the coolest things about working here. As a writer, I enjoy translating technical jargon into easy-to-understand language. My goal is to make shopping for speakers and amplifiers simple. After all, this stuff is supposed to be fun! Outside of work, I enjoy playing and teaching music. I'm always on the lookout for interesting left-handed guitars.

More from Kramer Crane

Items installed:

  • Jensen VM9312 DVD receiver
  • JBL GTO755.6 II 6-channel car amplifier
  • Rockford Fosgate T162C 6.5" speakers in all 4 doors
  • 12" MTX Thunder 4500 single voice coil 4-ohm (x2)
  • 12" blue neon under dash both sides
  • 7-color LED underbody kit
  • Tsunami 4-gauge wiring kit
  • Blue LED in the dome lamps
  • 12" blue LED under the amp
  • 30GB Video iPod in glove box, connected to headunit
  • PS2 under passenger seat (sometimes, it removes easy)
  • Power inverter

Installation Description

It took a while to build the custom box in the back, but I wanted the bass plus storage space, so I really wanted it done. I have done all of the installations myself, which makes it that much better (and cheaper). The box took about 22 hours total: speakers about 2 total, neons about 2 total, and the headunit was about 1. I think it came out really nice because I have all of my storage space in the back, and great sound quality.

Q&A Section

Why did you decide to upgrade your A/V system?

I wanted a better sounding system from stock...and louder.

What's the first thing you show people about your installation?

The custom box in the back because it is extremely unique.

Why did you choose these products?

I really like the quality and clarity of Rockford Fosgate speakers. The bass from the MTX subs compliment it nicely. The Jensen headunit is one of the best (in my opinion) without being a double-DIN, and the JBL amplifier has a lot of power and doesn't draw too much from the battery.

What was the most difficult part of the installation?

The building of the custom box, hands down!

What plans, if any, do you have for future upgrades?

Tint (25% all around), Trailblazer SS wheels, Street Scene valances, lambo doors, Ground Force lowering kit (2" drop) or Belltech 2/3 lowering kit.

2002 GMC Envoy

2002 GMC Envoy

Fold-out receiver

Fold-out receiver

Well under construction

Well under construction

Almost done

Almost done

Finally done!

Finally done!

Still retained cargo space

Still retained cargo space

Neons at night

Neons at night

Subs all lit up

Subs all lit up

  • Dorian Castro. from Lubbock Tx.

    Posted on 7/23/2015

    In Order To Do That In My Truck How Much Would That Cost Me?

  • Alexander Hrabe from Crutchfield

    Posted on 7/24/2015

    Dorian, this article is over ten years old, and so it features gear that we no longer carry. At the time, it probably cost $1500-$2000, not including the iPod or the Playstation. If you're on a tighter budget, a Crutchfield advisor can help you choose a system that's right for you. Just give us a call at 1.888.955.6000.

  • Mike

    Posted on 11/16/2015

    I have this same car with similar plans, and i've read that this model has the head unit connected with the onboard computer and there is some kind of reset necessary to hook up an aftermarket unit. Is this true or can I just take the speaker wires out of the stock unit and attach them to the new harness?

  • Robert Ferency-Viars from Crutchfield

    Posted on 11/20/2015

    Mike, what you've heard is more-or-less correct. Many vehicles these days, but especially GM vehicles, run a lot of the electronics functions through a networked system, and this system includes the stereo. In order to safely install a new stereo, you need to use a special adapter to make it work with the truck's electronics and computer systems. There are a couple different adapters available for the 2002 Envoy, each providing a few different functions. The easiest way to figure them out is to give us a call and talk to one of our Sales Advisors. They'll break it down for you and help you figure out the best option. You can also use our vehicle selector to explore your options. Good luck!

  • Hazel from Dowagiac

    Posted on 1/26/2016

    I have a 2003 GMC Envoy SLT and I want a new radio in is that possible because I've heard that the radio is connected to another thing in the car need help deciding if I can put a new radio in

  • Alexander Hrabe from Crutchfield

    Posted on 1/26/2016

    Hazel, I've passed your question along to our sales team for the best answer. An advisor will contact you soon to help find the best stereo for your Envoy.

  • Chris Brown from Dallas

    Posted on 1/31/2016

    Hazel you would need a axxeess interface kit, now all depending on what kind of unit you get that interface is what you need.

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