Metra 72-9301 Speaker Wiring Harness

For select 1978-up vehicles — adapts new speakers to factory speaker connectors

Item #: 120729301

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22 Reviews

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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 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. You can also call an Advisor for more information.

Metra 72-9301 Speaker Wiring Harness Reviews

Average Customer Review:

22 reviews
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Written By Marko, California on Tuesday, November 17, 2015

Crutchfield Customer Review (What's this?)

Made the install on my 94' Montero simple.

Pros: Completely compatible

Cons: Longer wire than needed.

Speaker wiring harness

Written By Jeff S, Baltimore, MD on Monday, October 12, 2015

Crutchfield Customer Review (What's this?)

These wiring harnesses are exactly what I need to install my speakers. They arrived very quickly.

Pros: The harnesses came with full instructions and diagrams that are vehicle specific. Really helpful and takes away any guess work.

Cons: None.

worked great

Written By blainej, Raleigh, NC on Monday, September 14, 2015

Crutchfield Customer Review (What's this?)

Worked great, very positive connection, polarized for idiot proofing.

Compatible with 2002 MINI Cooper

Written By Connor, New York, NY on Tuesday, September 08, 2015

Crutchfield Customer Review (What's this?)

I was a bit weary of placing an order for new speakers for my 2002 MINI Cooper as I had never done any electrical or stereo work on a car before, but Morgan from Customer Support reassured me that installing speakers on this car would be a simply process and that I could handle it no-sweat. Sure enough, he was right. Crutchfield included everything I needed to install a pair of Kicker 40CS654 speakers into my car. This adapter, the Metra 72-9301 Speaker Wiring Harness, was the key that enabled me to connect these new speakers to the connector in the door of my 2002 MINI Cooper without having to split any wires or solder anything.

Pros: Easy installation No soldering required

Metra 72-9301 Speaker Wiring Harness

Written By Anonymous, Virginia on Thursday, August 06, 2015

Crutchfield Customer Review (What's this?)

Made in stalling much easier.

Cons: None

metra speaker kit

Written By Bud S, Texas on Saturday, August 01, 2015

Crutchfield Customer Review (What's this?)

made quick simple work out of installing new speakers

Pros: perfect fit to factory connection

Connect or not to connect

Written By Javi, Florida on Saturday, July 18, 2015

Crutchfield Customer Review (What's this?)

I would of given a 5 star but I has some difficulty in connecting since it was so tight.

Pros: Good quality with good length.

Cons: Very tight to connect.

Works as expected

Written By David, Georgia on Monday, June 22, 2015

Crutchfield Customer Review (What's this?)

It worked as you would expect it to. Made connecting the speakers very easy.

easy install

Written By justawesome, kanab utah on Wednesday, June 03, 2015

Crutchfield Customer Review (What's this?)

Great easy and help with install.

Pros: Everything

Cons: None

amazing product

Written By Anonymous, El paso, tx on Wednesday, June 03, 2015

Crutchfield Customer Review (What's this?)

This made my install so much easier

Pros: Easy connections

Cons: None

Metra 72-9301 Speaker Wiring Harness

Written By G, California on Wednesday, May 20, 2015

Crutchfield Customer Review (What's this?)

Facilitates easy connections

Works good

Written By HappyCustomer, Texas on Monday, March 30, 2015

Crutchfield Customer Review (What's this?)

Works perfect in my 2006 Sequoia.

Pros: It just works like they are supposed to.

doesn't fit

Written By Anonymous, Appleton Wisconsin on Wednesday, March 04, 2015

Crutchfield Customer Review (What's this?)

connects to the harness on my 2005 Hyundai elantra but does not slide onto the leads on the Rockford Fosgate speakers I have. had to cut the quick slide connections for the speakers off and solder the wires to my speaker leads.

Pros: harness fit the factory connection.

Cons: quickslide connection wouldn't slide onto leads on Rockford Fosgate speakers.

Plugged right in.

Written By jrmcfrln, Montrose, CA on Monday, March 02, 2015

Crutchfield Customer Review (What's this?)

Plugged tight in, and works.


Written By Chris, Minneapolis on Sunday, February 22, 2015

Crutchfield Customer Review (What's this?)

Included in my purchase. It's nice because you don't have to figure out polarity on the OEM wire colors.

Pros: $free.99! Secure snap

Cons: Nope

Hey, Crutchfield gave me these FREE w/ Spkr-Purch!

Written By Got Milk, LA, California on Tuesday, November 18, 2014

Crutchfield Customer Review (What's this?)

Don't do your car without a whole lotta time + effort!

Pros: Makes installation a snap...

Cons: None

Makes installation easy.

Written By Jethro, Tullville on Tuesday, November 04, 2014

Crutchfield Customer Review (What's this?)

Makes installation a breeze & free!

No Matching to 2002 Sequoia

Written By Anonymous, MV, CA on Monday, October 27, 2014

Crutchfield Customer Review (What's this?)

It didn't fit to 2002 Sequoia speaker connection and didn't match to it. I didn't know how they advertised that fit to Toyota Sequoia on Crutchfield webpage. Do they really know their stuff? I gave 1 star for it didn't have 0 star.

Crutchfield response on Tuesday, October 28, 2014 This is one of the reasons why we suggest that customers give us a call before ordering, just to make sure they're getting the correct gear. The 2002 Sequoia is one of those oddball vehicles that use different speaker connectors in the front doors and the rear doors. This harness will work for replacing the front speakers, but not the rear door speakers. Give us a call and we'll send you the rear door harness if that's what you need.


Written By Frank P, Southeast WI on Friday, October 03, 2014

Crutchfield Customer Review (What's this?)

Plugs straight in to cars wiring and into the speakers, very simple attachment

Pros: perfect adapter to cars wiring

Cons: none

New Speaker Installation Couldn't Be Easier

Written By Chuck L, Alexandria, KY on Thursday, October 02, 2014

Crutchfield Customer Review (What's this?)

Installing new in-dash speakers was so easy with this wiring harness. And the sound blows away what used to be in the dash from the factory.

Pros: Easy Installation without crimping or soldering.

Cons: Don't install themselves.

Great product

Written By Anonymous, Grass Valley California on Friday, September 26, 2014

Crutchfield Customer Review (What's this?)

Harness worked perfect makes the job easy

Pros: Perfect match

Cons: None

easiest install ever

Written By Brandon, Oak Harbor, WA on Monday, August 25, 2014

Crutchfield Customer Review (What's this?)

these things made the install of my speakers ridiculously easy. wiring is always a pain, but these allowed me to complete the wiring in less that 2 minutes for BOTH speakers

Pros: easy to use work great

Cons: NONE!

Hands-on research

What's in the box?

Download owner's manual

  • 2 Speaker harnesses

Product Research


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 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.

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