Metra 71-027C Speaker Wiring Harnesses

For select 1991-up vehicles

Item #: 12071027

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46 Reviews | Ask Questions

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These harnesses allow you to plug your new speakers into the factory connectors present in your vehicle's speaker openings.

Note: Some aftermarket speakers have terminals that are wider than this harness's slide-on connectors. You may need to widen the harness's female slide-on connectors, or use the slide terminals that may be included with the speakers. If you need to connect your new speaker's connectors to the Crutchfield harness, soldering is best, and crimping is also very popular - see "Accessories."

Includes Crutchfield's 60-Day Total Satisfaction Guarantee

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

  • 2 Speaker harnesses
  • Instructions

Product Research

Features

Crutchfield Speaker Harness: Crutchfield speaker harnesses prevent you from having to cut your vehicle's factory speaker plugs when replacing your factory speakers with aftermarket car speakers. The Crutchfield speaker harness features two female quick-slide connectors on one end to attach directly to your new aftermarket car speakers & a proprietary Molex connector on the other end that connects to your vehicle's factory speaker plug.

Quick-Slide Connectors: The Crutchfield speaker harness is equipped with a large (positive) & small (negative) female quick-slide terminal. These quick-slide terminals fit directly onto most aftermarket car stereo speaker terminals (slight crimping may be required). In rare cases that the quick-slide terminals do not fit your car speaker terminals, you will need to solder the Crutchfield speaker harness to your aftermarket speaker's terminals or replace the quick-slide connectors on the Crutchfield speaker harness with the correct size terminal.

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

Quick-Slide Terminal Measurements: The positive female quick-slide terminal measures 0.205" (inner width), while the negative female quick-slide terminal measures 0.115" (inner width).

Wire Code Chart: Two identical Crutchfield speaker harnesses are included.

Wire Color Function
White Positive
Black Negative

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 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.

Metra 71-027C Speaker Wiring Harnesses Reviews

Average Customer Review:

46 reviews
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GREAT ACCESSORY

Written By Jeff, Elizabethtown, KY on Tuesday, September 02, 2014

Crutchfield Customer Review (What's this?)

This harness made connection very easy!!

Excellent

Written By Nigel, Orlando on Wednesday, August 13, 2014

Crutchfield Customer Review (What's this?)

Excellent product. Plug and play I'm so happy Crutchfield included this product. You guys rock!

Pros: Excellent

Cons: None

Metra 71-027C Speaker Wiring Harnesses

Written By Anonymous, NC on Monday, August 04, 2014

Crutchfield Customer Review (What's this?)

Made the install super easy!!!

Pros: Plug n Play!!! Super easy install. No more wire splicing!!!!

Cons: None

perfect

Written By jack, Weymouth, MA on Tuesday, July 29, 2014

Crutchfield Customer Review (What's this?)

Connectors were a perfect fit.

Plug and play connector

Written By rlazo, Peoria, AZ on Friday, June 27, 2014

Crutchfield Customer Review (What's this?)

The folks that make these are pros at exact fitment and connectability. The connectors plugged in perfect and allowed me to keep a clean install with my aftermarket speakers. No cutting, no soldering, no mess, no fuss. Factory installed look with aftermarket performance. These harnesses are a must have for installing aftermarket speakers using your factory wiring!

Pros: Easy to install, factory look, plug and play!

Cons: None

Absolute waste of money, does not fit 2008 Pathfinder

Written By JesseC, Austin, Tx. on Wednesday, April 23, 2014

Crutchfield Customer Review (What's this?)

total rip off, doesn't fit at all, not even a little bit.

Pros: they have wire attached to the harness, that's a plus.

Cons: nothing fit, had to cut it up and re work the connections by soldering them. Took longer than just wiring them from scratch.

Perfect!

Written By Kelly, Cary, NC on Thursday, March 20, 2014

Crutchfield Customer Review (What's this?)

Simple and easy. No way to mess it up.

Pros: Simple and easy.

Cons: none

easy plug and slay

Written By Keith, Garner N.C. on Sunday, February 09, 2014

Crutchfield Customer Review (What's this?)

Speaker wiring harness

Pros: Every easy to use no need to cut wires simply installation

Travis

Written By Travis, Lees Summit, MO on Sunday, February 02, 2014

Crutchfield Customer Review (What's this?)

Simple as it gets, plug and play

Pros: Plug and play

Cons: None, they are perfect

Speaker Wiring Harnesses

Written By GFxRocket, Raleigh, NC on Friday, January 03, 2014

Crutchfield Customer Review (What's this?)

This speaker wiring harness made installation a snap. I was told it is better to solder the connections but since I have a stereo that puts out 50 W per channel and no amplifier it doesn't seem to matter. Not that I am afraid to solder as I spent many years working in electronics but if it's not necessary why bother. If I was running a high power amp I'm sure I would have taken the time to solder everything

Pros: Easy to use. Just plug and go

Cons: None

speaker wire harnesses

Written By Anonymous, Lexington NC on Friday, January 03, 2014

Crutchfield Customer Review (What's this?)

Makes speaker install a breeze!

good connectors

Written By Wes H., Yorktown, VA on Wednesday, January 01, 2014

Crutchfield Customer Review (What's this?)

easy to use -- nice that I didn't have to solder, twist or tape

Pros: convenient

Cons: none

speaker installation kit

Written By Bill, Long Island NY on Thursday, December 26, 2013

Crutchfield Customer Review (What's this?)

mad the job of replacing speakers in my 1999 pathfinder easy

Pros: perfect!! both ends had correct connectors, and fit.

Cons: none

sound ordinance p-69

Written By vic, copperas cove,texas on Saturday, December 21, 2013

Crutchfield Customer Review (What's this?)

This a decent 6x9 for the price..the woofers move a surprising amount of air which creates deep bass coming from the rear dash...the tweeters are ok,but a little too bright ,but for 50 bucks this 6x9 is a great deal...

Just what I needed

Written By Julio, Danvile, KY on Friday, November 15, 2013

Crutchfield Customer Review (What's this?)

The wiring harness came in really handy and it saved me the work to have to custom made one myself. Highly recommended if you are installing new speakers and you don't want to cut existing wires that came in your car (they are only so long if you mess up).

Pros: Ready for installation. Plug and play.

Cons: None!

Excellent

Written By Boomer, Ft Worth, TX on Thursday, October 10, 2013

Crutchfield Customer Review (What's this?)

Excellent. It was the right cable for the job.

Speaker Wiring Harnesses

Written By Steve, San Diego, CA on Sunday, September 29, 2013

Crutchfield Customer Review (What's this?)

easy to install and convenient when replacing stock speakers.

Pros: perfect fit and the price is right (free!).

Excellent product

Written By z31fanatic, Perkasie, PA on Sunday, September 01, 2013

Crutchfield Customer Review (What's this?)

There is not much to say. These are priced low but are made well and work like they should. 5 stars from me.

Pros: Cheap Well made

Cons: None

Simple & Self Explanatory

Written By ICantHearYou, Hagerstown, MD on Saturday, August 17, 2013

Crutchfield Customer Review (What's this?)

Fast & easy speaker connections with this harness.

nice and easy

Written By Ruler1, Nashua NH on Thursday, August 08, 2013

Crutchfield Customer Review (What's this?)

provides an easy installation for the speakers

Pros: easy and free

Cons: none

Easiest upgrade ever ...

Written By chokung, Bethlehem, PA on Thursday, June 27, 2013

Crutchfield Customer Review (What's this?)

The speaker wiring is the simplest way to upgrade car speakers. I did it overall speaker (front doors & rear deck), The whole installation process is plug-and-play!

Pros: Simplest and clean installation for aftermarket speakers

Cons: On the aftermarket connector may not fit properly in some speakers (required squeeze)

Metra 71-027C Speaker Wiring Harnesses

Written By Anonymous, Simi Valley, CA on Sunday, June 02, 2013

Crutchfield Customer Review (What's this?)

Works great!

Metra 71-027C Speaker Wiring Harnesses

Written By NickS, Beachwood, NJ on Tuesday, May 28, 2013

Crutchfield Customer Review (What's this?)

This product made it very easy to install my aftermarket speakers in my Nissan Maxima. Did not need to splice any wires or alter the factory wiring harnesses in any way. Plug and play installation =)

Pros: Simplicity Convenience

Cons: none

Speaker harness

Written By John R, East Rutherford, NJ on Thursday, May 16, 2013

Crutchfield Customer Review (What's this?)

Great product

Pros: Easy installs

Cons: None

Metra 71-027C Speaker Wiring Harnesses

Written By Oscar, Puerto Rico on Sunday, December 30, 2012

Crutchfield Customer Review (What's this?)

Excellent; just snap in and ready to go.

Pros: Just what was needed to connect the speakers to the existing wiring.

Cons: none

Crutchfield Rules !

Written By Kwn, Weston,FL on Saturday, December 29, 2012

Crutchfield Customer Review (What's this?)

Crutchfield makes it so easy to upgrade old car stereo from the golden oldies. I have a 96 Pathfinder and was expecting a whole day of installation. Took me only 2 hours to completely install front and rear speakers with the instructions they provided and the kits. I will buy from no other company !

Very Helpful

Written By AustinC, Chattanooga, TN on Wednesday, December 26, 2012

Crutchfield Customer Review (What's this?)

Be sure to get these. They make the install SOOO easy. It is literally just plugging in stuff. Go Crutchfield!

Pros: Extremely helpful

Cons: None

Metra 71-027C Speaker Wiring Harnesses

Written By JimK., Austin on Friday, December 21, 2012

Crutchfield Customer Review (What's this?)

easy transfer for free thankx!

Metra 71-027C Speaker Wiring Harnesses

Written By Anonymous, Philadelphia, PA on Sunday, July 29, 2012

Crutchfield Customer Review (What's this?)

Did not fit for my 2004 Nissan Xterra.

Good idea

Written By JK, Burlingame, CA on Saturday, July 07, 2012

Crutchfield Customer Review (What's this?)

I wasn't expecting these so it was a nice surprise and made installation easier. Unlike others, fit was good and easy to connect to new speakers.

Metra 71-027C Speaker Wiring Harnesses

Written By TomA, Hamilton, OH on Friday, June 01, 2012

Crutchfield Customer Review (What's this?)

These were suppose to work for installation on my rear deck speakers, but they didn't match up at all.

Not Compatible with All Speakers

Written By Mike Ryz, New York, NY on Friday, April 20, 2012

Crutchfield Customer Review (What's this?)

I'm a big fan of the installation gear that Crutchfield provides (one of the major reasons I like to order from them rather than elsewhere), so I was disappointed when the terminals on these adapters were too small for the speakers I had ordered at the same time. I was forced to cut them off and then twist them onto the speakers and heat-shrink in place.

Pros: - Connect easily and security to car harness.

Cons: - Wrong size terminals for speakers I ordered.

Speaker Harness

Written By RC, Boston on Wednesday, March 02, 2011

Crutchfield Customer Review (What's this?)

Harness connected well ....but clips to the speakers were too loose...the clips had to be
crimped to attach correctly....needs improvement

Perfect Fit

Written By Nate, Washington, D.C. on Thursday, February 17, 2011

Crutchfield Customer Review (What's this?)

These wires were a perfect fit! Work great and kept me from having to run out to an audio
store to figure out which I needed. For this feature and the mounting adapters I would shop
Crutchfield first before the competitors.

Hyundai Sonata 2004

Written By BrianT, AZ on Sunday, February 13, 2011

Crutchfield Customer Review (What's this?)

This speaker harness did not fit the factory wires on the front speakers of my
Hyundai Sonata 2004. The Crutchfield website car fit option said it would fit
but the plastic connectors were different.

Speaker Wiring Harness with 01 Nisan Frontier

Written By JSF, Costal VA on Saturday, November 27, 2010

Crutchfield Customer Review (What's this?)

This kit makes the speaker installation about as easy as you could expect. No
soldering is required and both ends of the harness plug into their mating
connectors perfectly. I used a large cable tie to secure the wires to the
speaker magnet to prevent any movement. Overall, this harness is an absolute
necessity unless you like to solder.

Awesome

Written By MH, Rougemont, NC on Wednesday, August 25, 2010

Crutchfield Customer Review (What's this?)

Crutchfield really saves you a headache by including these with the order. The
harnesses make the speaker connections a cinch. Highly recommended!!!

Works

Written By Justin, Wisconsin on Thursday, August 19, 2010

Crutchfield Customer Review (What's this?)

The harness helped make installation a breeze. Glad these are included with
speaker purchase.

Works perfectly

Written By Terry, Leesburg, VA on Tuesday, June 08, 2010

Crutchfield Customer Review (What's this?)

Not much to say. They plugged in to the existing vehicle harness perfectly, plugged in to the speaker and did the job.

Sure made it easier than splicing wires! I would definately get them again (especially since they came free with the speakers).
Thanks Crutchfield - another great reason to buy here.

97 nissan speaker install

Written By Jared, Salt Lake City, UT on Thursday, May 27, 2010

Crutchfield Customer Review (What's this?)

I had a little difficulty with these speaker wires. I first appeared that they would work great. It was nice that they plugged into my cars wiring system. When I plugged them into the new speaker, the connections were a little loose. I had to compress the connectors to make them tighter. Then it was a little too tight causing me to break off one of the pieces of metal on the speaker. I had to cut off the connector and solder the wire right onto the speaker. Then it worked great! If you buy this, I recommend you put the connectors onto the speaker, then compress them down in place.

Metra 71-027C Speaker Wiring Harnesses

Written By Gene, central WA on Tuesday, September 01, 2009

Crutchfield Customer Review (What's this?)

Great idea, works quick and easy. By far the smoothest part of the speaker installation.

Metra 71-027C Speaker Wiring Harnesses

Written By Ilya, Albany, NY on Thursday, February 26, 2009

Crutchfield Customer Review (What's this?)

Very helpful.
Plug'n'Play. Done.

Simple

Written By Justin, South Carolina on Thursday, February 19, 2009

Crutchfield Customer Review (What's this?)

These really simplify the installation process and eliminate any guesswork. They're worth the price, but even better since Crutchfield included them for no additional cost.

Purpose=Accomplished

Written By Dean, Lancaster, PA on Monday, September 15, 2008

Crutchfield Customer Review (What's this?)

There isn't much to say for these other than the fact that they fit, and do what they're supposed to do... at least, they did in my 1998 Nissan Altima. I am really glad that Crutchfield included them, though: How else would an amateur be able to install new speakers?!?

Perfect fit

Written By Rene, San Marcos,TX on Tuesday, August 05, 2008

Crutchfield Customer Review (What's this?)

Perfect fit for the rear speakers on an 05 Sentra. Saved me a lot of time!

Not for 02 Q45

Written By brymax, Irvine, CA on Monday, November 19, 2007

Crutchfield Customer Review (What's this?)

I believe the spec's for this part say "For ALL Nissan & Infiniti models 2000-2006", or something like that.

Well, if you have an 02 Infiniti Q45? These don't work! Close, but not close enough.

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