Metra 70-1721 Receiver Wiring Harness

Connect a new car stereo in select 1998-2013 Honda, Acura, and Suzuki vehicles

Item #: 120701721

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377 Reviews

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Metra 70-1721 Receiver Wiring Harness

This vehicle-specific wiring harness makes connections between your new car stereo and your car's electrical system.

First, attach the color-coded wires on your Crutchfield-supplied harness to the wires from your new stereo. If you're not using a soldering iron, we recommend that you purchase some wire connectors to secure the connections. Check out our handy article on three ways to connect the wiring harness here.

Now, once this harness is connected to your new stereo, you'll be able to plug right into your car's factory radio connector. This harness saves installation time since you won't have to cut factory wires individually, and this also enables you to re-install the factory radio if needed. A detailed instruction sheet comes with the harness. Warranty: 60 days.

Please read this important note: This harness may not contain provisions for every wire needed to complete your installation, and it will not accommodate special navigation, video, or factory steering wheel control connections. You will need a special adapter if you want your factory steering wheel audio controls to work with your new stereo.

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

What's in the box?

Download owner's manual

  • Receiver wiring adapter harness
  • Instructions

Product Research

Features

Crutchfield Wiring Harness: Crutchfield wiring harnesses prevent you from having to cut your vehicle's factory radio plug when replacing your factory radio with an aftermarket head unit. Simply solder or crimp the Crutchfield wiring harness to your aftermarket head unit's harness (solder & crimps not included), plug the aftermarket head unit's plug into the rear chassis of the aftermarket head unit, and plug the Crutchfield wiring harness into your vehicle's factory radio plug.

Note: Installation tools, hardware, & accessories are not included & sold separately. Please see the Accessories tab for recommendations & availability.

Wiring Notes: If the Crutchfield wiring harness is not equipped with a ground wire, you will need to ground the aftermarket head unit's ground wire to the metal chassis of your vehicle. Some vehicle's may require you to bypass the vehicle's factory amplifier (in another location from factory radio) or hardwire certain connections. If your vehicle is equipped with factory steering wheel controls, an additional adapter is required and sold separately.

Wire Code Chart:

Power/Front Speaker Harness

Wire Color Function
Red +12 Volt Accessory
Yellow +12 Volt Constant
Black Chassis Ground
Orange Illumination
Empty (none)
Blue Power Antenna
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 -
Violet Right Rear Speaker +
Violet/Black Right Rear Speaker -
 

The Crutchfield Car Selector: Please visit the Crutchfield Car Selector for your specific type of vehicle.

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 verify what’s in the box, 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.

Metra 70-1721 Receiver Wiring Harness Reviews

Average Customer Review:

377 reviews
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Very much worth it

Written By Austin, South Carolina on Tuesday, April 14, 2015

Crutchfield Customer Review (What's this?)

I can't imagine why someone wouldn't use one of these harnesses. Even if you don't plan on ever going back to your factory stereo, this makes changing your system much, much easier, as you can unplug the harness and wire in the new connections without being up to your waist in your dashboard.

Pros: Plenty of lead, wires are pre-stripped, color coding (and package description) match industry standards.

Metra 70-1721

Written By easy to plug in but, Arkansas on Tuesday, April 14, 2015

Crutchfield Customer Review (What's this?)

plugged in simply but the length of the wires should have been about 4 inches longer.

Pros: good fit

Cons: wires s/b longer

Perfect fit!

Written By Mel, Boston on Tuesday, April 14, 2015

Crutchfield Customer Review (What's this?)

Perfect fit. Straight foward instructions.

nice

Written By lc, Massachusetts on Sunday, April 12, 2015

Crutchfield Customer Review (What's this?)

great addition to the kit, made the whole process and easy one. Wire color and connections shown on bag...great for double checking.

Pros: pre stripped wired, acc already tagged

Cons: None.

Metra 70-1721 Receiver Wiring Harness

Written By Anonymous, Texas on Tuesday, April 07, 2015

Crutchfield Customer Review (What's this?)

Good quality.

super easy

Written By Anonymous, N. Wilkesboro NC on Thursday, April 02, 2015

Crutchfield Customer Review (What's this?)

Super easy to install I'm glad we have things like this now to bypass cutting into factory harness I love it

easy to install

Written By Anonymous, Illinois on Sunday, March 29, 2015

Crutchfield Customer Review (What's this?)

easy to install.found you tube video on installation of wiring harness,and it was a snap.i soldered and used heat shrink for the wiring.the modules plugged in easily.

Pros: easy to install

Cons: none

A daunting trask made simple.

Written By James, Grasslat, PA on Wednesday, March 25, 2015

Crutchfield Customer Review (What's this?)

This harness adapter made it so easy to connect my aftermarket radio in my son's car. With today's cars wiring systems being so confusing, it was a relief that I didn't have to cut into the car's wiring harness. Simply follow the clear diagram supplied and it was done fast. Not only did I receive diagrams and instructions with the item, but Crutchfield supplied them with the email notifying me of the items' shipment. I got to look over the diagram even before I got the item and was able to compare it with the aftermarket radio diagram. A daunting task made simple.

Pros: Clear, concise instructions and diagrams.

Cons: None.

So simple a child can do it

Written By Nalmonte, New York on Tuesday, March 17, 2015

Crutchfield Customer Review (What's this?)

Great product I love that they included the correct product to connect my stereo. It was super simple to install. I recommend butt connectors make the wires look clean and fit in dash a lot easier.

Pros: Easy to understand

Cons: None

Works great

Written By Anonymous, Chicago on Tuesday, March 17, 2015

Crutchfield Customer Review (What's this?)

Works great--no complaints.

Easy to use

Written By john, kansas on Thursday, March 12, 2015

Crutchfield Customer Review (What's this?)

Everything you need right there. Very easy

rock on

Written By guz, Pennsylvania on Monday, March 09, 2015

Crutchfield Customer Review (What's this?)

got da hook-up

Pros: plugs in

Cons: no fireworks

Metra 70-1721 Receiver Wiring Harness

Written By Anonymous, conway, sc on Monday, March 09, 2015

Crutchfield Customer Review (What's this?)

Perfect fit

Seamless installation

Written By Anonymous, Orlando, FL on Sunday, March 08, 2015

Crutchfield Customer Review (What's this?)

Everything about this connector works as promised.

10 minutes and done!

Written By Tad P., Goodview, Va on Friday, February 27, 2015

Crutchfield Customer Review (What's this?)

Put your harness diagram on one side of your work area and your stereo manual on the other. If you can color by numbers, you can wire your own stereo. I installed my own car stereos as a kid, and now I was able to help my son put his first one in. What a blast!

Pros: Quick, easy, professional

Cons: Nope.

Good value

Written By Anonymous, Lockart TX on Sunday, February 22, 2015

Crutchfield Customer Review (What's this?)

Easy install

Pros: I used it with the Axxess ASWC-1 Steering Wheel Control Adapter and it works

Cons: Wish the harness had the additional wires for the Steering Control Adapter.

It did the job

Written By Shane, Louisiana on Sunday, February 15, 2015

Crutchfield Customer Review (What's this?)

A few colored wires did not match my aftermarket radio, and no instructions of what to do with them.

Pros: plugged into factory jack without any issues.

Cons: seems that either these jacks or the aftermarket radio cables should be designed to clip together, instead of this PITA design of soldering or twisting wires together - this is 2015, isn't it? This is still 1970's technology.

Easy to connect

Written By Peter, Puerto Rico on Sunday, February 15, 2015

Crutchfield Customer Review (What's this?)

Easy to connect with original car cables.

Harness adapter

Written By chris, Colfax, NC on Tuesday, February 10, 2015

Crutchfield Customer Review (What's this?)

Made for my application, easy to install.

Pros: Color coded for easy connection.

Cons: None that I can find

Perfect

Written By Works as expected, Madison WI on Monday, February 09, 2015

Crutchfield Customer Review (What's this?)

Works perfect no issues

Pros: Works Great

Cons: None

Metra 70-1721 Receiver Wiring Harness

Written By Anonymous, Delta Junction, AK on Sunday, February 08, 2015

Crutchfield Customer Review (What's this?)

Straight forward to use.

Harness not required

Written By Dan M, Austin TX on Wednesday, February 04, 2015

Crutchfield Customer Review (What's this?)

Nice harness that is exactly like existing in the car. The one that came with the stereo was required. I had to cut and rewire new harness.

Fair

Written By Jon P, New York on Sunday, February 01, 2015

Crutchfield Customer Review (What's this?)

The pins in the Metra harness needed to be bent up or down to fit the OEM wiring plug. The OEM radio connected and disconnected from the car harness multiple times with ease, so I knew the car harness was fine. The Metra harness is "almost" cut to spec... Was surprised I needed to play with individual pins to get the connector to fit on the car connector. I called Crutchfield, sent photos of the alignment differences in both connectors, and was only told "This is the same connector we have shipped for 7+ years...it has to work." It ultimately did, but be prepared with a pair of needle nose to have to tweak some pin alignments.

Pros: Works

Cons: Not as well designed as I had hoped, and needed manual pin alignment help.

Metra 70-1721 Receiver Wiring Harness

Written By Andrew, New Jersey on Thursday, January 29, 2015

Crutchfield Customer Review (What's this?)

This harness worked perfectly for my 2005 Civic Si hatchback. Very easy to connect to receiver; essentially just connect same colored wires and you're good to go!

Pros: Easy to use Simple Sturdy

Suzuki wiring harness

Written By No Name, Dunbar,Pa. on Wednesday, January 28, 2015

Crutchfield Customer Review (What's this?)

made install of radio very easy.

Pros: The instructions made install easy. Plugs into factory harness perfect match.

wiring harness

Written By lander, Connecticut on Tuesday, January 27, 2015

Crutchfield Customer Review (What's this?)

Made the installing much easier

Excellent

Written By RSX, New Jersey on Tuesday, January 20, 2015

Crutchfield Customer Review (What's this?)

Works like a charm, no problems

Pros: Fits Perfectly, good instructions for wire color codes

Cons: None

Bad pin placement/low quality

Written By Rbc, Bonaire, GA on Monday, January 19, 2015

Crutchfield Customer Review (What's this?)

The pins did not line up correctly. I had to use my tools and put it right beside the stock radio to place the pins properly.

Pros: Works (only w/ effort)

Cons: Took some re-working to make it fit.

Metra 70-1721 Receiver Wiring Harness

Written By Craig J, Virginia on Friday, January 16, 2015

Crutchfield Customer Review (What's this?)

Great product. Thanks

Pros: Simple, easy to use, colors matched up exactly.

Cons: none

Metra 70-1721 Receiver Wiring Harness

Written By Brent W, New Jersey on Thursday, January 15, 2015

Crutchfield Customer Review (What's this?)

Plug and play. Doesn't get any easier

Pins a little off

Written By DP, Los Alamos, NM on Thursday, January 15, 2015

Crutchfield Customer Review (What's this?)

During installation of my new receiver using this harness I had to adjust the pins because they weren't fitting into the slots in the wiring harness for my '99 Honda Odyssey. It was the right harness, but a row of the pins were too high. After some adjustment I got the pins to go in the slots and everything is working now. I don't think I had to adjust the pins because my vehicle slots had become warped, but who knows.

Pros: -Works

Cons: -Had to adjust pins.

Works on '03 Honda CRV

Written By Mertz, Massachusetts on Saturday, January 10, 2015

Crutchfield Customer Review (What's this?)

This harness came with my JVC cd receiver and the installation was fairly easy and everything works fine.

Pros: It works and the connection seems secure.

Cons: None

Excellent

Written By Bob, Rhode Island on Saturday, January 03, 2015

Crutchfield Customer Review (What's this?)

Fits perfectly and makes the installation a breeze

Pros: Exact fit for the car, eliminates all the hassle and cons of cutting and splicing your car's wiring.

Cons: None

A necessary cpmponenet

Written By JR, Illinois on Tuesday, December 30, 2014

Crutchfield Customer Review (What's this?)

It took a little doing to get this plug to plug into the wiring harness on the 2003 Honda CRV. I just kept working at it and it finally connected.

Pros: The only way to hook up an after market receiver.

Cons: Took a little finesse to get it to plug in.

Could be better

Written By jps, California on Monday, December 29, 2014

Crutchfield Customer Review (What's this?)

It worked great for standard audio connections. It needs 1 more connections so the steering controls can be connected without damaging the Honda wiring harness.

Pros: All connections present for audio connections.

Cons: If pins 3 and 11 were included in the harness I would not have to cut into the factory harness to wire in steering wheel controls.

Metra wiring harness

Written By Gil H, Lincoln,Ca. on Sunday, December 28, 2014

Crutchfield Customer Review (What's this?)

Easy to use and plugged right in.

Plug-n-Play

Written By Anonymous, Kentucky on Sunday, December 28, 2014

Crutchfield Customer Review (What's this?)

This is as close to Plug-n-Play as you can get! All wire colors matched the factory system. If you can use a wire stripper/crimper tool, you can install this product. The plug matched perfectly with the OEM harness and took the "guess-work" out of installing an after-market radio. I've done many car radio installs, but never used a pre-fab wire harness before. From now on, if one is available for the vehicle/radio, I will use it!

Pros: Easy color matching of all wires. OEM matching of plug.

Cons: Didn't install itself.

Harness worked well

Written By Jay, Wilmington, DE on Friday, December 19, 2014

Crutchfield Customer Review (What's this?)

This harness worked perfectly to match the radio to the Honda harness. All I had to do was match the colors, attach and then plug it in.

Pros: Harness matched well.

Cons: No problems.

Works Great

Written By TX John, Texas on Thursday, December 18, 2014

Crutchfield Customer Review (What's this?)

Worked great. Plugged in easily.

Works

Written By Max H, Illinois on Sunday, December 14, 2014

Crutchfield Customer Review (What's this?)

Works just as intended. No problems at all.

Pros: Works, reasonable price.

Cons: None that I can think of.

Perfect Fit, Color Match

Written By Anonymous, Austin, TX on Tuesday, December 09, 2014

Crutchfield Customer Review (What's this?)

Fits well with Honda harness and Pioneer 6700BT receiver.

Pros: Colors match for 2001 Honda Odyssey. Plugs in properly to factory wiring harness.

Cons: Wire assembly sags and blocks coin drawer in 2001 Honda Odyssey. Wire assembly must be suspended behind radio with cable tie to top dash support.

Very nice.

Written By Very nice., LI, NY on Tuesday, November 18, 2014

Crutchfield Customer Review (What's this?)

A very good thing. Made well, a good time saver, and keeps you from making a mistake. Comes with a wiring diagram that is, well, correct.

Pros: Clean, easy to follow directions.

Cons: None really.

Easy to Use

Written By Anonymous, Navaree, FL on Monday, November 10, 2014

Crutchfield Customer Review (What's this?)

The item was easy to use and easy to figure out. I only had one question about one of the wires when attaching it to the radio harness, but a quick phone call to tech support and I was all set. I used electrical tape instead of wire-nuts and I have had no issues what so ever.

Great

Written By Ryan, Florida on Sunday, October 26, 2014

Crutchfield Customer Review (What's this?)

Made the install a breeze!

Pros: easy to install and use

Cons: N/A

Metra 70-1721 Receiver Wiring Harness

Written By Anonymous, tyrone ga on Saturday, October 18, 2014

Crutchfield Customer Review (What's this?)

just as promised. fast shipping

Works like ba charm

Written By Mac, San francisco, Ca on Wednesday, October 08, 2014

Crutchfield Customer Review (What's this?)

Worked perfectly

Pros: Easy

Cons: None

2004 Honda Pilot

Written By Rich, Concord, NH on Wednesday, October 08, 2014

Crutchfield Customer Review (What's this?)

Missing the pin for steering wheel control. Was hoping to re-install factory radio when I sell; will have to re-splice the one wire I cut from the factory harness. Otherwise, everything else worked fine.

Pros: Easy to follow wire colors

Cons: No splices

1999 Honda Accord Wiring Harness

Written By Anonymous, Lancaster, SC on Sunday, October 05, 2014

Crutchfield Customer Review (What's this?)