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Metra 70-7550 Receiver Wiring Harness

Connect a new car stereo in select 1994-2012 Nissan and Infiniti vehicles

for matching vehicles with all car stereos $119+ for matching vehicles with all car stereos $119+
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  • Metra 70-7550 Receiver Wiring Harness

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  • Metra 70-7550 Receiver Wiring Harness

 

Metra 70-7550 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.

Read more

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.

Connections:

Note: You will need to connect the harness's ground wire and the receiver's ground wire to your vehicle's chassis.

  • 12V constant power
  • 12V switched power
  • chassis ground
  • amplifier shield ground — connects to your new receiver's chassis
  • power antenna turn-on
  • amplifier turn-on
  • illumination
  • left front speaker +/-
  • right front speaker +/-
  • left rear speaker +/-
  • right rear speaker +/-

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

  • Power/Front speaker harness
  • Rear speaker harness
  • 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

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 & sold separately.

Wire Code Chart:

(Power/Front Speaker Harness)

Wire Color Function
Red +12 Volt Accessory
Orange Illumination
Empty (none)
Yellow +12 Volt Constant
Blue Power Antenna
Gray Right Front Speaker +
Gray/Black Right Front Speaker -
White Left Front Speaker +
White/Black Left Front Speaker -

(Speaker Harness)

Wire Color Function
Empty (none)
Blue/White Amplifier Turn-on
Green Left Rear Speaker +
Green/Black Left Rear Speaker -
Violet Right Rear Speaker +
Violet/Black Right Rear Speaker -

Wiring Note: This harness has no ground wire; the new radio must be grounded to the vehicle chassis.

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

 
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Metra 70-7550 Receiver Wiring Harness Reviews

Average Customer Review:

231 people say:

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5 out of 5

Fits my car awesome!

Written By VaRedSoxFan, Ashburn, VA on Sunday, October 19, 2014
Crutchfield Customer Review (What's this?)
 
The wires on the harness ended up matching the Pioneer radio wires. I decided to use heat-shrink connectors and it was a breeze. This is my second radio from Crutchfield for this car.
Pros:
Ease of use.
Cons:
None.
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5 out of 5

Perfect.

Written By Jdog, Newark, NJ on Monday, September 29, 2014
Crutchfield Customer Review (What's this?)
 
Perfect. Make sure you order the screw-on wire connectors to go with it. I forgot and used the other ones that are ok too.
Pros:
Good fit.
Cons:
None.
Was this review helpful?    Yes | No
 
5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By Anonymous, Ocean city md on Saturday, September 06, 2014
Crutchfield Customer Review (What's this?)
 
Great product fit perfectly.
Pros:
Comes with the wiring guide for no hassle install
Cons:
None
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5 out of 5

receiver harness

Written By titan up, windsor mo. on Wednesday, August 27, 2014
Crutchfield Customer Review (What's this?)
 
I could not have installed my head unit without this harness. Worked like a charm.
Was this review helpful?    Yes | No
 
5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By Billy, Danbury nc on Friday, August 15, 2014
Crutchfield Customer Review (What's this?)
 
Great product made installing the radio easy
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5 out of 5

perfect

Written By Juan, New York on Thursday, July 31, 2014
Crutchfield Customer Review (What's this?)
 
The harness is great , saves a lot time.
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5 out of 5

Wiring Harness

Written By Jeff, Layton, Utah on Wednesday, July 23, 2014
Crutchfield Customer Review (What's this?)
 
I found no problems, once I got past the mistake in not following instructions.
Pros:
Fast making the connections
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4 out of 5

Easy installation

Written By Daxx MC, Kansas on Friday, July 18, 2014
Crutchfield Customer Review (What's this?)
 
This harness has all the connections needed to hook up an aftermarket deck, and has some connections that weren't needed. I soldered the deck harness to this one and used heatshrink to insulate the joins. Bundled the wires together with plastic ties and it was a quick job to install the new deck.
Pros:
Quick. Easy. Done.
Cons:
Factory plug on the 2002 Nissan Frontier doesn't have a ground wire, so I had to ground the new deck separately.
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5 out of 5

Worked like a champ

Written By Anonymous, Milton, fl on Monday, July 14, 2014
Crutchfield Customer Review (What's this?)
 
Just as advertised.
Pros:
Worked perfect
Cons:
N/A
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5 out of 5

Wire Harness

Written By PHXTeacher, Peroia, AZ on Sunday, July 13, 2014
Crutchfield Customer Review (What's this?)
 
Easy to follow instructions and worked without any problems.
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5 out of 5

good part

Written By chip j., norfolk, VA on Sunday, June 22, 2014
Crutchfield Customer Review (What's this?)
 
Good fit, easy to work with.
1 out of 1 people found this helpful
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4 out of 5

Metra 70-7550 Receiver Wire Harness

Written By Tim, Pendleton, OR on Sunday, June 22, 2014
Crutchfield Customer Review (What's this?)
 
Worked great. It would have been perfect if small shrink tube pieces would have supplied for solder joints.
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5 out of 5

Metra 70-7550

Written By Calvin, Troutville, Va on Friday, June 20, 2014
Crutchfield Customer Review (What's this?)
 
simple to use
1 out of 1 people found this helpful
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4 out of 5

It works

Written By David, McMinnville, TN on Tuesday, June 17, 2014
Crutchfield Customer Review (What's this?)
 
The Metra 70-7550 wire harness works great. The wiring instructions was a bit unclear but after calling the 800 number it didn't take long to clear everything up concerning the wiring.
Pros:
plugs in great Works great Great support from metra company
Cons:
Wiring diagram and wiring instructions is a little vague.
1 out of 1 people found this helpful
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5 out of 5

Excellent

Written By Anonymous, Albert Lea, MN on Friday, May 23, 2014
Crutchfield Customer Review (What's this?)
 
Harness fit perfectly. It's worth waiting a couple days for an order. Don't buy scoche products from Walmart.
Pros:
Exact Fit.
Cons:
No cons
1 out of 1 people found this helpful
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5 out of 5

wire harnes

Written By cool breeze, winter springs fl on Thursday, May 22, 2014
Crutchfield Customer Review (What's this?)
 
crutchfield always ships fast right product and you get the master sheets for your car
1 out of 1 people found this helpful
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5 out of 5

Good harness

Written By Anonymous, Fresno,CA on Tuesday, May 13, 2014
Crutchfield Customer Review (What's this?)
 
It made my job quick and easy. All the colors matched up it was so easy to do, no splicing or dicing.
Pros:
Easy,easy
1 out of 1 people found this helpful
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5 out of 5

Easy install thanks to this

Written By AlexC, San Antonio on Sunday, May 11, 2014
Crutchfield Customer Review (What's this?)
 
This made it super easy to install the stereo since I just went inside and matched up the colors to the new stereo's wiring harness.
Pros:
Easy to use.
1 out of 1 people found this helpful
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5 out of 5

very helpful

Written By bandmhx, bellaire, tx on Monday, May 05, 2014
Crutchfield Customer Review (What's this?)
 
makes for a no hassle install
1 out of 1 people found this helpful
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5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By Anonymous, Sparta, IL on Sunday, May 04, 2014
Crutchfield Customer Review (What's this?)
 
Worked very well.
1 out of 1 people found this helpful
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5 out of 5

Wire Harness

Written By Tom F, Yuma, AZ on Sunday, April 27, 2014
Crutchfield Customer Review (What's this?)
 
Great directions. snapped right into place. Worked with out a problem.
Pros:
The harness completely matched the factory harness. I followed the directions and used the tools that the instructions listed and it worked first time. All the colors matched from the factory wire harness. A no-brainer.
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By mike, Altoona, FL on Friday, April 25, 2014
Crutchfield Customer Review (What's this?)
 
Very easy just hook up and install my new radio
Pros:
Simple to use
Cons:
No cons
1 out of 1 people found this helpful
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5 out of 5

Works great

Written By Justin, Phoenix, AZ on Sunday, April 20, 2014
Crutchfield Customer Review (What's this?)
 
Now, this, Metra you get right. Wiring adapters are definitely your forte. Do keep making these quality parts. Do not change the way you make these. Do look at your other product offerings though.
Pros:
Having one of these is great. You can solder your connections on your bench and plug it right in in the car.
Cons:
None
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5 out of 5

Does the job

Written By medialord, Atlanta, GA on Tuesday, April 15, 2014
Crutchfield Customer Review (What's this?)
 
Online chat provided the exact link I needed. Being a somewhat universal Nissan harness, there are some wires not used. It was great to call and ask a tech who immediately could help me with what I needed. The harness snaps right in to the existing couplers after you solder your radio wiring to it.
Pros:
works like it's supposed to technical service right there when you need it
Cons:
would it kill Nissan to put a ground wire in their harness? (nothing against this product)
1 out of 1 people found this helpful
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5 out of 5

Simple

Written By robw, Wallington, NJ on Monday, April 14, 2014
Crutchfield Customer Review (What's this?)
 
All you do is match the wires by color and twist them together with the harness from your receiver. Very easy.
Pros:
Came free with my receiver. Easy to insall.
Cons:
nothing
1 out of 1 people found this helpful
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5 out of 5

Making it easy!

Written By Dave, Rowlett, TX on Wednesday, April 09, 2014
Crutchfield Customer Review (What's this?)
 
This harness made the installation a breeze. The factory wiring without this would have made the job a total 10 on the Pain-in-the-a$$ scale.
Pros:
Perfect!
Cons:
None whatsoever!
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5 out of 5

Frontier Wire Harness

Written By Jack R, New York, NY on Tuesday, April 08, 2014
Crutchfield Customer Review (What's this?)
 
Super easy connections. It's been a decade since I last did a swap. New technology is here. Now the adapter harness has the same color wiring as the original. Instructions are clear and "correct". I usuallyget my packages late in the day so I spent some time making clean tight connections that night. The following day I popped the dash cover off and the three connections took just a minute. Great value.
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5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By JW, Denver, CO on Thursday, March 27, 2014
Crutchfield Customer Review (What's this?)
 
Connected a 98 Nissan Frontier to Pioneer FHX and worked perfectly.
Pros:
Easy to connect. Worked perfectly.
Cons:
None.
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5 out of 5

High Quality and easy

Written By samarootj, Boca Raton, Florida on Sunday, March 23, 2014
Crutchfield Customer Review (What's this?)
 
Easy to connect if you follow instructions. Buy some good connectors and have fun. Use electric tape in conjunction with connectors.
Pros:
Labeled and instructions included. Fits perfectly as per vehicle.
Cons:
None
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5 out of 5

Receiver wiring harness

Written By Scott, Dothan AL. on Saturday, March 22, 2014
Crutchfield Customer Review (What's this?)
 
The wiring harness makes you feel like a pro even if your a novice. The wiring harness is a must if you want to save yourself some gray hair and you want to get it done right the first time. Thank you so very much Crutchfield!!!!! You saved me a lot of time and confusion by supplying me with a high quality harness like this one.
Pros:
Very easy to use. I have used many different Crutchfield wiring harnesses in the past and they are always spot on in every vehicle( and there has been many). Anyone that's installing a receiver or a complete system and you want to save a lot of confusion and time, try Crutchfields wiring harness and adapters. You won't be sorry!!!!! I used the wiring harness on a 350z and there's nothing easy about working on the electronics in these vehicles, but Crutchfield made this install flawless.
Cons:
No cons for these Crutchfield products. You saved me a lot of time, money, confusion, and gray hair.
1 out of 1 people found this helpful
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5 out of 5

Right fit .

Written By Anonymous, Manassas, va on Friday, March 21, 2014
Crutchfield Customer Review (What's this?)
 
Awesome. Harness fit perfectly. They add it free of charge. That makes it very convenient. I'm hooked. Crutchfield got me!
Pros:
Exact fit.
Cons:
None!
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5 out of 5

Very easy to install

Written By Kelly, Cary, NC on Thursday, March 20, 2014
Crutchfield Customer Review (What's this?)
 
Very easy to connect to the receiver and car.
Pros:
Simple and easy
Cons:
none
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5 out of 5

Exactly what i needed!

Written By M, Gaithersburg, MD on Thursday, March 06, 2014
Crutchfield Customer Review (What's this?)
 
It does exactly what it is meant to do.
Pros:
Color doing, good material
Cons:
Each wire should have micro script of what it is for.
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5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By Anonymous, Abq, NM on Monday, March 03, 2014
Crutchfield Customer Review (What's this?)
 
Nice fit
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5 out of 5

works perfect

Written By JP, Phoenix AZ on Sunday, March 02, 2014
Crutchfield Customer Review (What's this?)
 
Works great.
Pros:
Works great.
Cons:
None
Was this review helpful?    Yes | No
 
5 out of 5

Easy to install

Written By Anonymous, Edgewood, MD on Saturday, March 01, 2014
Crutchfield Customer Review (What's this?)
 
Very easy to installed your self
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5 out of 5

Harness kit

Written By Alex K., Kenhorst, PA on Thursday, February 27, 2014
Crutchfield Customer Review (What's this?)
 
Does what it's supposed to do. Allows stereo compatibility.
Pros:
Works well.
Cons:
N/A
1 out of 1 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Wire Harness

Written By Fred O, Scottsdale, AZ on Friday, February 21, 2014
Crutchfield Customer Review (What's this?)
 
Easy to use, especially when used with crimp caps.
Pros:
Doing installation without wiring harness would be much more time-consuming.
Cons:
None
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5 out of 5

works

Written By zrunner, Tucson AZ on Friday, February 21, 2014
Crutchfield Customer Review (What's this?)
 
just works - easy to figure out wiring, matched up perfectly to cable from new receiver - sure beats cutting off factory harness connectors
Pros:
plugs into existing factory connectors
Cons:
would have been nice to have wire splicing materials (shrink tube and/or crimp connectors) included
Was this review helpful?    Yes | No
 
5 out of 5

Good product

Written By Anonymous, Houston tx on Sunday, February 16, 2014
Crutchfield Customer Review (What's this?)
 
Had a question abt the blue wires but Crutchfield tech solved that quick!
Pros:
Did its job!
Cons:
None
1 out of 1 people found this helpful
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5 out of 5

crutchfield makes it easy

Written By Keith, Garner N.C. on Sunday, February 09, 2014
Crutchfield Customer Review (What's this?)
 
Second time using this product it was a breeze
Pros:
Easy.
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5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By DanC., Bayport, NY on Tuesday, January 21, 2014
Crutchfield Customer Review (What's this?)
 
made installation very easy.
Was this review helpful?    Yes | No
 
5 out of 5

Nissan Wiring Harness

Written By J, Saint Louis, MO on Tuesday, January 07, 2014
Crutchfield Customer Review (What's this?)
 
Wiring harness worked flawlessly
Pros:
Perfect fit with my Nissan. Plus, they send you the sentra install instructions as a PDF.
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3 out of 5

works good but does not include harness for steering wheel controls

Written By kman, Bozeman, MT on Monday, January 06, 2014
Crutchfield Customer Review (What's this?)
 
This product worked great and supplied connections for power and sound. It would have been a lot better if it also included an harness for the steering wheel controls.
Pros:
wokrs
Cons:
no steering wheel controls harness
1 out of 1 people found this helpful
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5 out of 5

These wires freely give up their electrons to easily conduct electrici

Written By Mark, Baltimore, MD on Monday, January 06, 2014
Crutchfield Customer Review (What's this?)
 
These wires are made of copper, which aside from Silver, is the element that gives up it's electrons most easily to allow the coduction of electricity. (I'm doing a review of 12 inces of wire. I've got to say something to make this interesting!)

Pros:
They come with an easy to follow wiring diagram and plug right in to both the head unit and the facotry wiring harness.
Cons:
They don't cause a tear in the fabric of spacetime that results in good looking women bring large bags of money to my door. It'd be really cool if these wires could make that happen. But they can't.
1 out of 1 people found this helpful
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5 out of 5

Receiver Wire Harness

Written By ross6226, Bakersfield, CA on Sunday, January 05, 2014
Crutchfield Customer Review (What's this?)
 
Absolutely perfect match for my car to radio connections, including the color codes.
1 out of 1 people found this helpful
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5 out of 5

Easy install

Written By Sewbike, Olympia, wa on Sunday, January 05, 2014
Crutchfield Customer Review (What's this?)
 
The wiring harnesses making it so much easier and professional looking when installing electronics. This was no different.
Pros:
It all fits and makes installation much easier than without a wiring harness.
Cons:
None
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5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By Anonymous, CF on Thursday, January 02, 2014
Crutchfield Customer Review (What's this?)
 
Perfect match
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5 out of 5

works as intended

Written By baddd dogggie, carlsbad, ca on Tuesday, December 31, 2013
Crutchfield Customer Review (What's this?)
 
perfect fit
Pros:
works as intended, solid & secure fit, allows for simple installation
Cons:
zero
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4 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By Anonymous, Guilford, CT on Monday, December 30, 2013
Crutchfield Customer Review (What's this?)
 
wire harness was a perfect fit for my 2005 Nissan Altima
Was this review helpful?    Yes | No
 
5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By manny, California on Sunday, December 29, 2013
Crutchfield Customer Review (What's this?)
 
fit exactly as expected. couldn't have worked out better. had head unit installed under 30 min.
Was this review helpful?    Yes | No
 
5 out of 5

Plug and play! After soldering.

Written By Anonymous, Piedmont, SC on Saturday, December 28, 2013
Crutchfield Customer Review (What's this?)
 
Great harness. My Nissan has a two-harness system and this was just right. Colors matched perfectly with the Pioneer head unit too. Thanks, Crutchfield!
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5 out of 5

Wiring harness

Written By Jeff, Florida on Thursday, December 26, 2013
Crutchfield Customer Review (What's this?)
 
Made install a snap
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5 out of 5

Easy and free!

Written By 2wheelsguy, OHIO on Thursday, December 26, 2013
Crutchfield Customer Review (What's this?)
 
Easy to solder and hook up to head unit. Perfect fit with my Truck wire harness
Pros:
Easy, Free
Cons:
none
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4 out of 5

free harness

Written By DanF, Charlotte, NC on Friday, December 20, 2013
Crutchfield Customer Review (What's this?)
 
Good product. Used with Alpine receiver. made install easier once you wade through the connections. Believe that wire colors matched making selection easier.
Pros:
Easy to use. Included with purchase at no charge.
Cons:
Better diagrams on directions, if possible? Easier to read.
Was this review helpful?    Yes | No
 
5 out of 5

1998 Nissan Wire Harness

Written By John S, Eden NC on Monday, November 18, 2013
Crutchfield Customer Review (What's this?)
 
Everything was a very simple install using the wiring harness
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5 out of 5

Installed in an hour

Written By Amy, Eagle River AK on Friday, November 08, 2013
Crutchfield Customer Review (What's this?)
 
Had no problems what so ever! Had my new deck installed in less than an hour!
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5 out of 5

Receiver Wire Harness/ car stereo

Written By Paul, Phila, PA on Monday, October 28, 2013
Crutchfield Customer Review (What's this?)
 
installed in 2006 Sentra
Pros:
easy
Cons:
none
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5 out of 5

Made Installation a Snap

Written By CK808, Hilo, HI on Tuesday, October 22, 2013
Crutchfield Customer Review (What's this?)
 
This kit made wiring the DVD player very easier. I just needed to match the colors and solder the wires together. It was really that easy.
Pros:
Easy to instal
Cons:
None
Was this review helpful?    Yes | No
 
5 out of 5

Receiver Wire Harness

Written By Joseph, Lake Mary, Fl. on Friday, October 18, 2013
Crutchfield Customer Review (What's this?)
 
Made the installation of my Kenwood DDX470 and Kenwood KFC-1664S simple, quick and trouble free. Thank you Crutchfield.
Pros:
Just what I needed.
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5 out of 5

Scosche NN1495SDB In-dash Receiver Kit

Written By Groovypoet, Kissimmee, F., USA on Tuesday, October 15, 2013
Crutchfield Customer Review (What's this?)
 
Absolutely perfect fit. Just what I needed!
Pros:
All good!
Cons:
None bad!
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5 out of 5

Receiver Wire Harness

Written By Troy, Simi Valley, CA on Wednesday, September 18, 2013
Crutchfield Customer Review (What's this?)
 
worked perfect
Pros:
wires matched perfect very simple
Cons:
none
Was this review helpful?    Yes | No
 
5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By wfp, Granby, ct on Monday, September 16, 2013
Crutchfield Customer Review (What's this?)
 
While I had some questions regarding wires that were not used, I do not consider myself a handyman, this setup proved to be very easy to hook up when used in conjunction with the Posi- Products Car Stereo Connectors.
Pros:
Great customer service and help during installation
Cons:
Absolutely none.
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5 out of 5

Harness awesomeness

Written By MATEO, San Antonio, TX on Saturday, August 31, 2013
Crutchfield Customer Review (What's this?)
 
Crutchfield is my first and only stop I need for anything for my car and house. They have everything I need and all the info and everything always fits. I always recommend Crutchfield when speaking about car audio and home audio and entertainment. I know so many pros that strictly order from Crutchfield. I absolutely love Crutchfield.
Pros:
Hard to find parts and wiring harnesses for car audio. And when they say a part will fit it will. And they are so informed its amazing.
Cons:
None
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5 out of 5

Excellent fit and customer service

Written By Rod, longwood fl on Wednesday, August 28, 2013
Crutchfield Customer Review (What's this?)
 
very fast shipping and excellent customer support .
Pros:
all
Cons:
none
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5 out of 5

Worked great

Written By Jeff, Port St Joe, FL on Wednesday, August 21, 2013
Crutchfield Customer Review (What's this?)
 
Had no trouble wiring this thing right in and it worked great.
Pros:
simple and easy, works good
Cons:
instructions not as "vehicle specific" as i like, but still ok
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5 out of 5

Perfect

Written By Tom, Texas on Friday, August 09, 2013
Crutchfield Customer Review (What's this?)
 
I installed this using a Pioneer DVD Receiver and a 2004 Nissan Frontier XE (non Rockford Fosgate) and everything felt solid and the wire colors were perfect. LIke another reviewer said, I made the connections outside of the truck and just transferred the harness to the truck and connected the remaining wires.
Pros:
Great build quality, no loose connection in the harness. Would buy again.
Cons:
None
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5 out of 5

Must have

Written By Awright, W Springfield, MA on Monday, August 05, 2013
Crutchfield Customer Review (What's this?)
 
Must have. Don't ever cut your factory wires. That is a terrible idea. Doing that makes a huge unreversable mess. This is quick and easy. Simply plug it into the current factory HU male plugs and match the wires by color.
Pros:
Aftermarket HUs all use the same color wires for each car speaker and function. All you have to do is match the color wires.
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5 out of 5

Fits my 2004 Altima perfectly

Written By mon, Nashville, Tn on Tuesday, July 23, 2013
Crutchfield Customer Review (What's this?)
 
Fit my car harness perfectly
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5 out of 5

Works as it should

Written By z31fanatic, Perkasie, PA on Tuesday, July 16, 2013
Crutchfield Customer Review (What's this?)
 
The quality is good and it works as it should. No problems installing it in my 2001 Nissan Xterra.
Pros:
Decent quality and works good.
Cons:
none
1 out of 1 people found this helpful
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5 out of 5

color to color

Written By ReedP, SLC,Utah on Thursday, June 27, 2013
Crutchfield Customer Review (What's this?)
 
Color to color to color made it nice n easy. Fit right together in the truck. I'd never done this before so I was a bit worried. But turned out there was nothing to worry about. couldn't have gone any smoother. Only problem I had was pioneers instructions that came with stereo weren't as clear as the one that came with this unit.
Pros:
All good
Cons:
No troubles.
1 out of 1 people found this helpful
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5 out of 5

As good as it gets

Written By D.Mendez, Manhattan, Kansas on Thursday, June 20, 2013
Crutchfield Customer Review (What's this?)
 
Seemless way to upgrade
Pros:
Free with purchase
Cons:
None
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5 out of 5

Wire harness kit

Written By Chaz, CT on Monday, June 10, 2013
Crutchfield Customer Review (What's this?)
 
Easy to install
Pros:
Easy to install
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5 out of 5

Make life easy

Written By Bluechapel, SW Oklahoma on Wednesday, June 05, 2013
Crutchfield Customer Review (What's this?)
 
For once, a wiring harness that actually matched very color! What a novel idea. Really did make wiring the new receiver a painless process. Soldered and shrink wrapped them, and that took longer than the rest of the install-but it was still easier than trying to decipher what was supposed to go where.
Pros:
Every wire matched color for color.
Cons:
None
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5 out of 5

Wire

Written By KNM, Mendota,VA on Sunday, June 02, 2013
Crutchfield Customer Review (What's this?)
 
Fit good, well marked spec sheets right on.
Pros:
All is good!!
Cons:
None
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5 out of 5

Easy as pie.

Written By Joe, Fort Worth, TX on Tuesday, May 28, 2013
Crutchfield Customer Review (What's this?)
 
Works great with my Sony receiver.
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5 out of 5

2002 Nissan Sentra

Written By DaveC, Collinsville, IL on Wednesday, May 15, 2013
Crutchfield Customer Review (What's this?)
 
Easy fit. No problems.
Pros:
Easy fit. No problems.
Cons:
None
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5 out of 5

Wire Harness

Written By AL, North haven CT on Monday, April 29, 2013
Crutchfield Customer Review (What's this?)
 
workes good easy to use good price
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5 out of 5

excellence

Written By elvin v, mayaguez Puerto Rico on Monday, April 29, 2013
Crutchfield Customer Review (What's this?)
 
Work excellent whit the car
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1 out of 5

Didn't fit

Written By DanE, Meridian, ID on Monday, April 22, 2013
Crutchfield Customer Review (What's this?)
 
Didn't fit my factory harness. Looks like I received one for an earlier Frontier (pre-2006). Contacted Crutchfield support, and was sent the correct one via 2-day shipping. Hey, it happens, but must say I wasn't happy at the time.
Pros:
Crutchfield support
Cons:
Didn't fit
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5 out of 5

Works Perfectly

Written By Chuck, Crawfordville, FL on Sunday, April 07, 2013
Crutchfield Customer Review (What's this?)
 
Matched up with the new JVC head unit and fit my 2007 Nissan Frontier perfectly. The wire connection instructions were easy to follow and tech support was a great help clearing up some questions about about wires that were not needed.
Pros:
Easy to wire with the Posi-Connectors, fit perfectly.
Cons:
None
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5 out of 5

Easy install

Written By Dan, Grand Rapids, MI on Sunday, April 07, 2013
Crutchfield Customer Review (What's this?)
 
Made my install a breeze!
Pros:
Made my install a breeze!
Cons:
None
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5 out of 5

Metra 70-7550 Receiver Wiring Harness

Written By Anonymous, casco, me on Sunday, March 24, 2013
Crutchfield Customer Review (What's this?)
 
perfect fit, easy to install
Pros:
easy set up wire guide and instructions
Cons:
none
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5 out of 5

good connection

Written By benny, peoria az on Saturday, March 23, 2013
Crutchfield Customer Review (What's this?)
 
good connectors for wiring a radio,great that it comes with radio .
Cons:
should come with solderless connectors
1 out of 1 people found this helpful
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5 out of 5

Happy wiring experience

Written By Anonymous, Phoenix, AZ on Thursday, March 21, 2013
Crutchfield Customer Review (What's this?)
 
Crutchfield always great quality and the right parts for any application
Pros:
Manufacturer quality connections
Cons:
None that I have found yet
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5 out of 5

Wired for sound

Written By ejohnson03, Woodhaven, MI on Wednesday, March 20, 2013
Crutchfield Customer Review (What's this?)
 
Exactly what I needed to get my system wired. Made for an easy install.
Pros:
Great instructions
Cons:
Had to by a crimp tool to make the connections tight.
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5 out of 5

Easy wiring

Written By XS, Atlanta, GA on Saturday, March 09, 2013
Crutchfield Customer Review (What's this?)
 
Can not get any easier..
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5 out of 5

Perfect fit

Written By MikeF, Nelson, Georgia on Wednesday, March 06, 2013
Crutchfield Customer Review