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Metra VT-GMRC-01 Wiring Interface

Install a new car stereo and retain factory door chimes and audible safety warnings in select GM vehicles without OnStar®

Save with a compatible car stereo with a compatible car stereo
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  • Metra VT-GMRC-01 Wiring Interface

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Our take on the Metra VT-GMRC-01 Wiring Interface

by Robert Ferency-Viars

Problem: Installing an aftermarket receiver in many late model GM vehicles means losing the chime that warns the door is open, along with audible safety warnings.

Solution: Metra's VT-GMRC-01 GM Class II Data Bus Interface lets you replace the factory receiver in these vehicles and keep the door chime and all audible safety warnings.

Hook the VT-GMRC-01 to your aftermarket radio, mount the module in a location where the chime can be heard, and plug it into the existing factory plug. Get the great sound you want, and keep all important safety features intact. The VT-GMRC-01 will not work with OnStar equipped vehicles. 1-year warranty.

Read more

Important Note: Because your vehicle is factory-equipped with a special sound system, you will need to purchase this VT-GMRC-01 interface in order to keep your factory door chime (needed to keep audible safety warnings functioning) while providing a switched 12-volt power source for your new radio. If you do not use a compatible interface when you replace your factory radio, you will disable the audible warning system in your vehicle. Crutchfield cannot provide a free wiring harness for your vehicle, and we strongly recommend that you use the recommended interface when replacing this vehicle's factory radio. Failure to do so may result in serious injury or death.

Note: Most vehicles will require additional installation parts — please identify your vehicle if you haven’t done so, then check here for a list of parts. You can also call an Advisor for more information.

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • GM Class II Data Bus Interface
  • 24" Wiring harness (w/ a white 10-pin female connector on one end and a gray 24-pin male connector on the other end)
  • Installation Instructions

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Compatibility: The Axxess GMRC-01 is designed for use in select 2000-2011 GM vehicles with non-amplified factory systems (or when replacing the factory amplified system) and without OnStar.

Make Model Year
Buick Allure 2005-2009
Century 2004-2005
Lacrosse 2005-2009
Rainier 2004-2007
Rendezvous 2002-2007
Terraza 2005-2008
Cadillac Escalade/Escalade Ext 2003-2006
Chevrolet Avalanche 2003-2006
Cavalier 2000-2005
Colorado 2004-2009
Corvette 2005-2011
Express Van (full-size) 2003-2007
Impala 2000-2005
Malibu 2001-2005
Malibu Classic 2004-2005
Monte Carlo 2000-2005
Silverado 2003-2006
Silverado Classic 2007
SSR 2003-2006
Suburban 2003-2006
Tahoe 2003-2006
Trailblazer 2002-2009
Uplander 2005-2008
Venture 2000-2005
GMC Canyon 2004-2010
Envoy 2002-2009
Savanna Full-Size Van 2003-2007
Sierra (Classic) 2003-2007
Yukon/Yukon XL/Deanli 2003-2006
Hummer H2 2003-2007
H3 2006-2009
Isuzu I290 2007-2008
I280 2006
I370 2007-2008
I350 2006
Oldsmobile Alero 2001-2004
Bravada 2002-2004
Intrigue 2002
Silhouette 2000-2004
Pontiac Aztec 2001-2005
Grand Am 2001-2005
Grand Prix 2004-2008
Montana 2000-2005
Sunfire 2000-2005
SAAB 9-7x 2005-2009
Saturn Relay 2005-2007

Note: Please consult Crutchfield's Outfit My Car to see if your vehicle is compatible and what additional accessories will be needed.

Retained Features: The GMRC-01 provides +12-volt accessory output, retains warning chimes, and retains R.A.P. (retained accessory power).

  • +12V Accessory Output: In many GM vehicles, there is no 12-volt accessory wire in the factory harness, which requires the installer to run an accessory wire to the fuse box or underneath the steering column when installing an aftermarket radio. The GMRC-01 is designed to provide a 12-volt/10-amp switched accessory output (red wire).
  • Warning Chimes: The GMRC-01 retains factory warning chimes through the use of an on-board speaker.
  • Retained Accessory Power (R.A.P.):  The ignition power source of most GM vehicles keeps the radio on until one of the doors is opened. This feature is called the R.A.P. (retained accessory power). The GMRC-01 is designed to retain this feature.

10-Pin to 24-Pin Harness: The wiring harness has a white 10-pin female connector (4 pins present) on one end and a gray 24-pin male connector (14 pins present) on the other end. The 10-pin connector plugs into the GMRC-01 and the 24-pin connector interfaces with the existing factory plug. The harness also includes 14 bare wires that will need to be hardwired to your new aftermarket radio's harness.

Wire Color Function
Red +12V Accessory
Yellow +12V Constant
Black Ground
Orange Illumination
Orange/white Dimmer
Blue/white Amp turn-On
White Left Front Speaker +
White/black Left Front Speaker -
Gray Right Front Speaker +
Gray/black Right Front Speaker -
Green Left Rear Speaker +
Green/black Left Rear Speaker -
Purple Right Rear Speaker +
Purple/black Right Rear Speaker -
 
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Metra VT-GMRC-01 Wiring Interface Reviews

Average Customer Review:

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4 out of 5

Good product

Written By Wyatt, Phoenix, AZ on Wednesday, September 10, 2014
Crutchfield Customer Review (What's this?)
 
Product works as described, other reviews are correct, it is very loud even after breaking the board connection to quiet it down. I muffled it some with some foam and almost sounds factory now. Did have a problem initially because the unit fed power back through the accessory wire making the vehicle think it was still powered up on accessory. Worked fine after installing an inline diode.
Pros:
Great option to keep factory chime.
Cons:
Loud but would rather have that then to quiet, can always muffle it. Power leaks back through accessory lead.
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4 out of 5

Wired wrong but easy to fix and works great.

Written By ShaneB, Missouri on Tuesday, September 09, 2014
Crutchfield Customer Review (What's this?)
 
This device was wired wrong for my 2005 GMC Sierra Crew Cab w/o Bose or Onstar but it was an easy fix and is working great.

The pink data wire was in the wrong spot on the connector. When I initially plugged it in it dinged 5 times, the time displayed on the radio for 5 seconds then went blank. I tried to turn the ignition key off and back on but nothing worked at that point. I could recreate the problem by unplugging the Metra unit and plugging it back in.

Tech Support walked me through where the wire should go and I moved it. It's one of those mini multi-tabbed female connector pins so I wasn't able to get it out. I had to carefully cut the connector to get it out but I'm ok with that.

This wasn't a big deal, but I wanted to mention it in case anyone else runs in to this problem. It may have just been that one unit that was wired wrong, I don't know. But Crutchfield Tech Support was great in helping me with it. And they asked me if I wanted a new unit instead of changing the wire position. Can't ask for more than that.

Even with the tracing cut to lower the volume it's too loud so put some electrical tape around it to cover the sound holes in the case. It wasn't that bad when I tested it outside of the dash and I thought that being inside the dash would lower the volume of it, but it actually made it louder.

I would have given it 5 Stars if not for the pin placement problem.
Pros:
It works as described.
Cons:
Had to change a wire position in the connector.
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5 out of 5

GM Interface

Written By Monk, Nashville , TN on Thursday, September 04, 2014
Crutchfield Customer Review (What's this?)
 
Good product
Pros:
Ease of install , volume control
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5 out of 5

Great chime

Written By RonS, Lansing, Mi on Monday, September 01, 2014
Crutchfield Customer Review (What's this?)
 
Brings back the door open, blinker, and light on chime when putting in an after market radio
Pros:
Works great
Cons:
A little loud at times but I still like it
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3 out of 5

loud

Written By Doug E, Salina Ks on Monday, August 18, 2014
Crutchfield Customer Review (What's this?)
 
I was a little disappointed with this unit. It works fine and does the job but had to tape it together ..the case wouldn't stay snapped together. and omg it is loud! The instructions tell how to cut a circuit on the board to lower the volume but you have to take everything back apart to make the adjustment.
Pros:
does the job ... chimes work like factory did
Cons:
just feels clunky and kinda cheap loud ..really load..lol instructions left a little to be desired
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5 out of 5

Good Interface.

Written By DougG, Springfield, MO on Monday, August 18, 2014
Crutchfield Customer Review (What's this?)
 
works just like it's supposed to.
Pros:
all. installation instructions good.
Cons:
none.
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5 out of 5

works great

Written By Anonymous, Sheridan, WY on Thursday, August 07, 2014
Crutchfield Customer Review (What's this?)
 
Works great its loud you'll need to remove cover and cut a trace to lower the volume most likely
Cons:
Heavy discount with a head unit
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3 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Smiley, Page, Az on Thursday, August 07, 2014
Crutchfield Customer Review (What's this?)
 
Plugs were exact match but wiring instructions need to be reviewed for completeness.
Pros:
Plugs did match existing wiring with no problem.
Cons:
instructions/color code was not as good as some I have seen, but was able to make it work first time
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5 out of 5

Don't install without it!!!!

Written By Jesse, Bath PA on Monday, August 04, 2014
Crutchfield Customer Review (What's this?)
 
This little baby made life a whole heck of a lot easier!!! Its so much nicer to have a separate chime instead of playing the chime through you car speakers.
Pros:
Compact for easy placement Length of wires is good Super loud, so try aiming into your dash, not out from it, and it also has the ability to lessen the volume but only by opening the unit and cutting a solder point. I recommend holding off on that step unless you absolutely need to.
Cons:
Had a wiring issues, was told its a typo on the directions, but ended up splicing the power antenna (from harness) wire to my amp remote (from sub) and power antenna wire (from radio) to make it work properly. solved my issue.
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2 out of 5

No luck with this adapter

Written By Anonymous, Charlotte, NC on Saturday, August 02, 2014
Crutchfield Customer Review (What's this?)
 
Easy to install, a little loud, but better than nothing. The problem is maybe the quality, chimes when it feels, sometimes chimes when no supposed to do it. I little disappointed with the adapter, since is a process removing from behind the radio for return it.
Pros:
Keep audible factory warnings.
Cons:
Little loud, but you can make it lower by cutting a copper track on circuit board.
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5 out of 5

Plug-n-play The Metra VT-GMRC-01

Written By shadetree, Iowa on Monday, July 28, 2014
Crutchfield Customer Review (What's this?)
 
This was so simple I was completely surprised. It retained all the GM warning chimes as advertised while adapting the factory harness to the universal care audio color codes.
Pros:
As stated plug-n-play.
Cons:
The noted audio alert volume reducing solder joint on the PCB, could easily have been pigtailed to the outside harness of the box with a simple disconnect joint for users to test the audio warning sound levels.
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5 out of 5

Metra Adapter

Written By Guzda, Valparaiso, IN on Monday, July 28, 2014
Crutchfield Customer Review (What's this?)
 
Very nice unit and well made. Very good instructions and easy to understand.
Pros:
All the wires were color coded and well marked. Everything went well with the wiring assembly.
Cons:
None that I could find. My new unit worked fine as I installed it.
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3 out of 5

Get Another Product If Available

Written By VA Steve 55, Leesburg, VA on Tuesday, July 22, 2014
Crutchfield Customer Review (What's this?)
 
I used this adapter on my 2004 Silverado 1500 to install a JVC deck. This adapter does work and simplifies the wiring, but it has shortcomings. First and foremost, I found out when complete that it will not integrate with the dash light dimmer switch. Crutchfield listing has since been updated. So radio is always BRIGHT. Second, the chime box is poorly made and falls apart easily. Why couldn't they use 4 screws to assemble it? Had to tape it together. I'll live with it since the radio works, but if I had to do it over I would use a different brand.
Pros:
Accurate wire diagram instructions and clearly marked wires, radio worked on first try.
Cons:
Chime unit box cheaply made and must be repaired to keep it together. Does not work with factory dash light dimmer.
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4 out of 5

Metra VT-GMRC-01 Factory Integration Adapter and '07 Silverado Classic

Written By CK, Worthing, SD on Tuesday, July 15, 2014
Crutchfield Customer Review (What's this?)
 
works good, easy to install, too loud even after cutting circuit path per instructions to switch from loud to less loud
Pros:
works well.
Cons:
if you didn't cut circuit, at least in my truck, you wouldn't be able to stay in the truck when door chimes are going off, way too loud.
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5 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Anonymous, Laurens, SC on Thursday, June 26, 2014
Crutchfield Customer Review (What's this?)
 
This part works perfect
Pros:
Easy to install and works perfectly with my car
Cons:
None
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5 out of 5

Easy to connect

Written By Nate, Leesport, PA on Friday, May 16, 2014
Crutchfield Customer Review (What's this?)
 
Works great, the volume can be easily reduced significantly by cutting a single circuit path marked (highly recommend as its too loud unless you muffle it against the vehicles carpet) flimsy shell, easy to fit or mount, decent length of wire
Pros:
Good length of wire, easy to wire up
Cons:
Flimsy shell that houses circuit should be zip tied through it's own screw slots across as it can fall open while you are trying to mount
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5 out of 5

Works, sort of...

Written By wenjen4, Allen, Ok. on Friday, May 02, 2014
Crutchfield Customer Review (What's this?)
 
Build quality seems fine, and the volume was just fine. Wires were long enough to give me several mounting options. I did have a problem getting power to my head unit. The tech advisor helped me determine that there was a pin out of place on the factory harness. He helped me jump the wire and it worked! Can't say enough for the tech advisors patience and knowledge. Lefty was particularly helpful, although I talked to several other advisors and they were all wonderful.
Pros:
Tech advisors were AWESOME!
Cons:
Don't know if the pin was out of place on the adapter, or on my factory harness. But I'm inclined to think it was my truck. It is one of those Ok/Tx special packages with goofy RPO codes.
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5 out of 5

Great product

Written By Joe W, Wilkes-Barre,PA on Thursday, April 10, 2014
Crutchfield Customer Review (What's this?)
 
Loud and clear. Works perfectly with aftermarket radio in a 2005 Chevy Classic
Pros:
easy to hook up, instructions clear
Cons:
none
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5 out of 5

Great

Written By Jason, Hanford ca on Sunday, April 06, 2014
Crutchfield Customer Review (What's this?)
 
Great and easy
Pros:
Perfect
Cons:
None
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4 out of 5

Metra VT-GMRC-01 Factory Integration Adapter

Written By RichardH, Waldoboro, ME on Friday, April 04, 2014
Crutchfield Customer Review (What's this?)
 
Worked very well. Perfect results
Pros:
Result of use perfect.
Cons:
Needed more information especially about the ground wire. Luckily I had my own extra wire to connect with my particular unit.
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5 out of 5

ch

Written By ponyboy, mpls MN on Thursday, April 03, 2014
Crutchfield Customer Review (What's this?)
 
works great
Pros:
easy install
Cons:
none
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4 out of 5

Must have unit...

Written By Barry, Lititz, PA on Friday, March 28, 2014
Crutchfield Customer Review (What's this?)
 
A little louder than OEM, but works good. This is a must when replacing your factory head unit.
Pros:
Everything
Cons:
A little loud
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5 out of 5

must have item

Written By mikem, denver,co on Thursday, March 20, 2014
Crutchfield Customer Review (What's this?)
 
a must have item for your installation for safety reasons and ease of installing the receiver
Pros:
easy to fallow instructions
Cons:
needs the connectors for splicing the wires to the radio wiring harness
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5 out of 5

Needed Item ...

Written By Steven T. ..., Irving, Tx. on Monday, March 17, 2014
Crutchfield Customer Review (What's this?)
 
Do Not Try the install without this item, it is a critical piece and easy to install and mount.
Pros:
Everything
Cons:
None
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5 out of 5

Great Product

Written By WhtWlf80120, Denver on Friday, March 14, 2014
Crutchfield Customer Review (What's this?)
 
A little louder than oem, but works good.
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4 out of 5

Works fine - case comes apart too easily though

Written By AndrewD, NorCal on Monday, March 03, 2014
Crutchfield Customer Review (What's this?)
 
The unit seems to work fine. The plastic housing comes apart too easily and doesn't completely mate together, so I put a zip tie around it and through the mounting holes. Sometimes the chime keeps going after I remove my key, so I have to reinsert and remove my key again to make it stop. That only seems to happen if I turn off my ignition and remove my key quickly.

The wiring harness was great for an easy install. I soldered all my connections to my new radio's harness and used shrink tubing to make it insulated and nice. My only complaint is that the illumination wire didn't do anything in my 2005 Silverado. Turns out the GM factory harness doesn't have a wire going to the illumination dimmer port on the connector, so I ended up T-splicing that wire into the brown/white wire running to the HVAC controls and it works fine now. If you're unsure of which wire to split, use a multitester. The voltage on the dimmer wire should vary as you adjust the dimmer control. This only works when the headlights are on, so you may need to cover the day/night sensor on your dash to get the lights on in the daytime.

To the people complaining it is too loud - there are instructions on how to decrease the volume in the pamphlet that came with the device. It involves cutting a circuit on the board.
Pros:
Wiring harness makes install easy Retain warning chimes
Cons:
Illumination/dimmer wire does not work on 2005 chevy Silverado - have to splice into HVAC dimmer wire Plastic housing falls apart easily. Had to zip tie mine closed.
1 out of 1 people found this helpful
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5 out of 5

To easy

Written By Anonymous, Schuylkill haven on Saturday, March 01, 2014
Crutchfield Customer Review (What's this?)
 
Just what I needed
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5 out of 5

Simple installation, easy to follow instructions

Written By That one guy, Kansas on Friday, February 28, 2014
Crutchfield Customer Review (What's this?)
 
Really easy to install. Nice long wire, makes the connections easy. It Is a bit loud I tried to tuck it in the dash to muffle it. Other reviews say to put a piece of electrical tape around it, that might be a good idea.
Pros:
Easy to install
Cons:
Just a bit to loud.
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5 out of 5

Makes radio swap easy

Written By Kevin C, Wheeling,WV on Wednesday, February 19, 2014
Crutchfield Customer Review (What's this?)
 
Makes installing an aftermarket radio simple. I was able to keep the door chime with this adapter.
Pros:
Easy install. Was able to keep door chime.
Cons:
None
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1 out of 5

Trouble Maker

Written By Anonymous, Parkville, MD on Monday, February 17, 2014
 
This adapter "confused" the BCM in my 2005 Colorado. After following all the instructions - exactly - step by step- and reconnecting me truck battery my POWER DOOR LOCKS and my DRIVER'S WINDOW would not work!

After calling tech support I found out that this is not an uncommon problem. On line forums are also full of other frustrated consumers with the identical problem! Why wasn't this issue even hinted at in the product description? I stopped to talk a local car audio store. They checked in their data base and found the there was a warning about this very issue.

Finally - after two weeks and numerous fix attempts suggested by Crutchfield and the on line forums the problem resolved itself. I say "itself" because one morning everything was working again after not working the night before.

Ask a lot of questions before you buy this adapter for your car/truck.
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3 out of 5

gm adapter

Written By reloader760, san marcos, ca on Sunday, February 16, 2014
 
Adapter is great if you don't want to cut wires, but chime is loud and annoying.
Pros:
Easy install
Cons:
Loud chime
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4 out of 5

Metra VT-GMRC-01 Factory Integration Adapter

Written By Trbsami, Indianapolis, IN on Saturday, February 15, 2014
Crutchfield Customer Review (What's this?)
 
As others said, it`s plenty loud. I put 2 layers of duct tape on and it`s perfect. Since I replaced all my speaker wire, I did not use most of the wires to the factory, but it was still worth having.
Pros:
Good instructions.
Cons:
none
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4 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Anonymous, deridder, louisiana on Tuesday, February 11, 2014
Crutchfield Customer Review (What's this?)
 
Worked as advertised
Pros:
Easy to install and worked good
Cons:
Not crazy about the sound of the chim
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5 out of 5

Worked Great

Written By Vincent, D.C. on Tuesday, February 11, 2014
Crutchfield Customer Review (What's this?)
 
I did receive a bad one, it made all my gages zero out, inconsistent chimes and random alerts on my dash display such as check brakes. I sent it back, switched out the box, not the wires, and it worked perfectly.
Pros:
easy install
Cons:
Loud
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5 out of 5

Silverado 2500/Integration Adapter

Written By Bob, Richmondville, NY on Wednesday, February 05, 2014
Crutchfield Customer Review (What's this?)
 
Easy install. Works exactly as advertised. I do suggest soldering connections and using shrink tube insulation over the connections. My only complaint is that the unit is far louder than the original. At some point I will cover half of the speaker in the adapter with a piece of tape or wrap it in cloth.
Pros:
Works as advertised.
Cons:
Very loud, but that can be addressed.
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5 out of 5

Perfect

Written By Anonymous, Delran, NJ on Tuesday, January 14, 2014
Crutchfield Customer Review (What's this?)
 
Works Great, easy to follow instructions.
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5 out of 5

Easy, clear instructions, makes it easy to connect new receiver

Written By SiddR, Temecula, CA on Monday, January 13, 2014
Crutchfield Customer Review (What's this?)
 
This unit made it very easy to connect my new receiver. Instructions were clear and there were instructions for all wires. Plugged into my car's factory harness with ease.
Pros:
Makes connecting a new receiver easy.
Cons:
The chimes speaker doesn't have a volume control. Sounds too loud.
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5 out of 5

Perfect Fit

Written By DonH, Clarksville TN on Monday, January 06, 2014
Crutchfield Customer Review (What's this?)
 
Fit my application perfectly. Installed JVC stereo into 2005 Silverado with no hassle at all.
Pros:
exact fit
Cons:
makes the tones a little louder than factory
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5 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Anonymous, Piedmont, SC on Thursday, January 02, 2014
Crutchfield Customer Review (What's this?)
 
Instruction made install so easy, did it our selves, the chimes are not that loud as some refer to.
Pros:
easy to follow instructions
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4 out of 5

Great easy harness

Written By Brian, San Clemente, CA on Tuesday, December 31, 2013
Crutchfield Customer Review (What's this?)
 
Great product easy to install. Crutchfield is great
Pros:
Simplicity price
Cons:
Confusion about dimmer wire
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3 out of 5

Hope the replacement lasts longer than 2 minutes

Written By SC, Nelsonville, Ohio on Sunday, December 29, 2013
Crutchfield Customer Review (What's this?)
 
Looked easy to install and was easy to install.
Pros:
Good instructions, no problems at all
Cons:
Worked for one minute and the box shorted out. AJ at customer support was very friendly and ran me thru some tests and determined that the unit was bad. At least it's a plug in replacement and no additional splicing is needed
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5 out of 5

Metra VT-gmc-01 Factory Integration Adaptor

Written By Coltsfan, Tuscola, IL on Wednesday, December 25, 2013
Crutchfield Customer Review (What's this?)
 
Nice quality, wired up easy. Great transaction with Crutchfield
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4 out of 5

You need this

Written By VJV, Anch ,Ak on Sunday, November 10, 2013
Crutchfield Customer Review (What's this?)
 
They are right you will need this
Pros:
Keeps those bells ringing
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5 out of 5

EASY

Written By Bryan, Bella Vista, AR on Monday, October 28, 2013
Crutchfield Customer Review (What's this?)
 
Instructions were very clear, product works well. No issues. I soldered all of the connections very easy.
Pros:
simple design works great
Cons:
none
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4 out of 5

Metra VT-GMRC-01 Factory Integration Adapter

Written By RonG, Brunswick, Ohio on Monday, October 21, 2013
Crutchfield Customer Review (What's this?)
 
works great, easy to install
Pros:
Does what it says it will do
Cons:
Very loud
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5 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By richard, Clinton, IA on Thursday, October 17, 2013
Crutchfield Customer Review (What's this?)
 
Great product, easy to install,it does what it said it would do
Pros:
Just great
Cons:
None but it is very loud might bother some people if it does put tape on the speaker
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5 out of 5

PERFECTION

Written By Bammer, SW CT on Tuesday, October 01, 2013
Crutchfield Customer Review (What's this?)
 
The absolute best thing to make an aftermarket stereo installation a breeze !
Pros:
EASY EASY !
Cons:
Chime a little too loud, a few wraps of tape made it perfect !
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5 out of 5

GMRC-01

Written By P.C., Utah on Sunday, September 29, 2013
Crutchfield Customer Review (What's this?)
 
Works perfect easy install
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5 out of 5

Factory Integration Adapter

Written By MarMat, Puerto Rico on Monday, September 23, 2013
Crutchfield Customer Review (What's this?)
 
Very good.
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1 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Anonymous, washinton state on Tuesday, September 17, 2013
 
you sent the wrong wiring adpt. you sent the wrong install face plate.... since it was shipped to alaska and they had the dash tore out installing the stero, I had them take it down to a stereo shop and have it pro installed . out of pocket was well over $ 100.... so the unit works and looks great, my grand daughter is happy with her gift... but me ?? you never see my business again......
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5 out of 5

Performs as advertised

Written By Karguy, Illinois on Friday, September 13, 2013
Crutchfield Customer Review (What's this?)
 
Was easy to install, almost too easy.
Pros:
Works, easy install
Cons:
Added expense
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5 out of 5

Just What I Needed

Written By Rick, Bradenton, FL on Friday, September 06, 2013
Crutchfield Customer Review (What's this?)
 
Didn't realize the old one quit working until I installed this with my new stereo system. Very easy to hook up as all the colored wired matched up.
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5 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Anonymous, tempe, az on Thursday, August 29, 2013
Crutchfield Customer Review (What's this?)
 
Easy install in 2005 Malibu classic. Product is louder than original door chimes. Be aware when mounting.
Pros:
easy install with additional wiring harness
Cons:
almost too loud at times
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5 out of 5

More than loud enough

Written By Rob, St Augustine, FL on Wednesday, August 28, 2013
Crutchfield Customer Review (What's this?)
 
This was a recommended part to retain the safety chimes that were removed along with the factory stereo. I was worried that it may not be loud enough once it was buried behind the dash, but my worries were unfounded... This puppy is a snap to install and the loudness was perfect, and I got a discount buy buying it as part of the audio package!!! Gotta love that.
Pros:
Easy install, perfect volume even behind the dash
Cons:
None from me
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5 out of 5

No Problems

Written By Todd P., Zion, IL on Sunday, August 25, 2013
Crutchfield Customer Review (What's this?)
 
It doesn't get much easier than this adapter. Easy to install...works like a champ!
Pros:
Does the job
Cons:
none
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1 out of 5

Doesn't support illumination on a 2004 Chevrolet.

Written By Anonymous, Champaign, IL. on Sunday, August 25, 2013
Crutchfield Customer Review (What's this?)
 
Don't let Crutchfield tell you that this is completely compatible on a 2004 Chevrolet Silverado, because the illumination feed doesn't work, and it won't dim the display on the aftermarket radio when the headlight or parking lights are turned on.

Now I get to wait for a different product to be sent to me from a different manufacturer... and get to tear apart and re-wire the whole harness a second time.... along with the time involved for me to remove and re-install the head unit a second time. Plus, for me to get my money back for this first harness, I'll have to box it up, label it , and take it to a UPS location to send it back. Lucky me.

Come on Crutchfield, get it right. Who is going to take responsibility for all of my wasted time and effort? No one. I bought from you because I assumed that you had all of this figured out. Apparently not.
Pros:
Wiring is color for color.
Cons:
Doesn't support illumination for 2004 Chevrolet.
Crutchfield response on Tuesday, August 27, 2013
Thanks for your review. We are correcting our presentation to show that this harness does not provide dimming for the car in question and other similar GM cars.
1 out of 1 people found this helpful
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5 out of 5

Perfect

Written By Burnsy, Philly on Tuesday, August 20, 2013
Crutchfield Customer Review (What's this?)
 
Easy install, great wire directions
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5 out of 5

Thank you GM

Written By Wayne, West Allis, WI on Wednesday, August 14, 2013
Crutchfield Customer Review (What's this?)
 
Installed in 2006 Isuzu I-350 with some soldering, and Heat Shrink Tubes. Zip tied beneath steering wheel under dash. Directions were simple to follow, and soldered ground to ground not connected to chassis as directed. Everything plugged in easily. The chime is way louder then factory chime. I bought it 1\2 off with Deck, still an added expense I was not expecting. Thank you GM for making as simple as installing an aftermarket radio more time consuming and expense.
Pros:
Easy Install and directions.
Cons:
Added Expense to GM Vehicles.
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2 out of 5

Metra VT-GMRC-01 Factory Integration Adapter

Written By BK, Nebr. on Saturday, August 10, 2013
Crutchfield Customer Review (What's this?)
 
NOT sure why I needed this....only bought it to keep Crutchfield support. I talked to many stereo shops and none of them could tell me exactly what I would lose if I didnt have it. I heard I'd lose warning chimes (no big deal to me) to losing stuff off the dash. Price was 50% off with stereo. I wish I looked at reviews before I installed it cause it is LOUD!!! I would have put tape over it to quite the thing down or cut a wire to lower volume.
Pros:
works as it should, easy to install, worked well with new stereo harness
Cons:
ITS LOUD, bigger than I thought it would be, cheaply made, a bit pricey but was 50% off with stereo
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5 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Garry, Scott Depot, WV on Tuesday, August 06, 2013
Crutchfield Customer Review (What's this?)
 
Has really good directions for hooking up. Anybody can do it.
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4 out of 5

Works great!

Written By Metlking, Ohio on Sunday, August 04, 2013
Crutchfield Customer Review (What's this?)
 
Works great! Retains needed chimes. It's a little loud but open it up and snip where it says "cut for lower volume" or something like that. It's still louder than the factory but who cares, it does the job. You better know how to solder.....
Pros:
It works as it should so far!
Cons:
You better know how to solder.....and follow directions.
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3 out of 5

Works well, I think

Written By PyrotecNick, Isanti MN on Friday, July 26, 2013
Crutchfield Customer Review (What's this?)
 
Seems to work pretty well. Installation was a breeze. The new warning dings are a little loud and piercing. After a few hundered miles my radio says there is a miswiring and I haven't gotten around to looking at it yet.
Pros:
Easy to use
Cons:
Warning dings are loud and piercing
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2 out of 5

Metra VT-GMRC-01 Wiring Interface

Written By Anonymous, west lafayette, oh on Sunday, July 21, 2013
Crutchfield Customer Review (What's this?)
 
cant see why i really needed this to install the radio. its way too loud and I don't really care if the chimes work or not.
Cons:
too loud
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3 out of 5

Can you hear me now?

Written By Pat C, Post Falls, ID on Sunday, July 21, 2013
Crutchfield Customer Review (What's this?)
 
It works. Holy crap is there a tornado coming? Why the heck did they make it so loud? Nothing electrical tape couldn't fix. Call me McGiver...
Pros:
Work
Cons:
Loud, Really really loud.
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5 out of 5

Metra VT-GMRC-01

Written By Rico, Phila. Pa. on Friday, July 19, 2013
Crutchfield Customer Review (What's this?)
 
Easy to connect. Just match up the wires to the harness that comes with the new unit.
Pros:
Easy to connect. Chimes work, volume a little digital sounding, but loud enough to be heard when mounted under dash.
Cons:
None
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