Speaker Wiring Harnesses

For select 1995-up vehicles

Item #: 12071040

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11 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 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. You can also call an Advisor for more information.

Speaker Wiring Harnesses Reviews

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The epitome of plug and play

Written By Anonymous, Hollywood, Fl on Monday, August 17, 2015

Crutchfield Customer Review (What's this?)

Normally, I cut wires and use a crimp connecter. The space the factory wires were in had, zero slack and hard to reach. 8 bucks totally beats a probably half hour of aggro vat ion and swearing. They Fit perfectly, Zero issues

Pros: Easy to use. Fits factory harness. No cutting.

A tad short

Written By Terry, Cedear Rapids, IA on Wednesday, September 10, 2014

Crutchfield Customer Review (What's this?)

I found wires to be about 4" too short for my particular vehicle. (Have advised Crutchfield of this already.) Rather than wait for a replacement I just soldered in the extra wire, which worked out fine.

Pros: Good quality hardware. Fit car & speakers perfectly.

Cons: 4" too short.

wiring harness

Written By Scott, Straughn In on Tuesday, August 26, 2014

Crutchfield Customer Review (What's this?)

Plug into your cars wiring harness and connect to your speakers Bam

Pros: Fast and easy and no cutting

Cons: none

Didn't expect it

Written By Gabe, San Antonio on Sunday, February 23, 2014

Crutchfield Customer Review (What's this?)

I had to use the wireing harnes off the old speakers an splice them with the new speaker wire cause the new adaptor didn't fit the old female plug

Works as they should

Written By Jay, Bend, OR on Thursday, February 13, 2014

Crutchfield Customer Review (What's this?)

Does just what it is supposed to. Works great.

Pros: Works good. Easy to use.

Cons: None

Worked great

Written By Sam, Bridge City, TX on Wednesday, October 16, 2013

Crutchfield Customer Review (What's this?)

Fit perfect without cutting wire

Pros: Crutchfield

Cons: Non

Perfect Fit

Written By DaveM, Texas on Friday, August 24, 2012

Crutchfield Customer Review (What's this?)

Fit perfectly on my 99 Corolla (plugged right in without problem). It would have been helpful to have the wires a little longer, but it wasn't a bit deal.

Needed to be modified

Written By wmasterson, healdsburg, ca on Thursday, January 26, 2012

Crutchfield Customer Review (What's this?)

The alignment ridge was on wrong side. I ground it off and it worked fine.

Pros: Worked

Cons: Had to be modified

did not work

Written By ridefast, Albuquerque, NM on Thursday, October 14, 2010

Crutchfield Customer Review (What's this?)

Great Idea but this item did not work, I had to cut the plastic plug off to make this work. I have a 2002 Tacoma.

Not quite right

Written By Richard, Denver, CO on Tuesday, July 06, 2010

Crutchfield Customer Review (What's this?)

This harness does not fit my 04 Toyota Tacoma xtra cab rear speakers. There is no harness for the front, and these almost fit the back, but the positioning tab is on the bottom, where as the factory harness has it on the side. The description says '95+, but somewhere along the line they changed. Also, they are a bit short, and would not allow me to pop the connector back into the hole in the body where it was originally. I filed the tab off, and duct taped the harness to the body instead and it worked fine.

Darn those spare parts!

Written By Kelly, The top of California on Monday, March 23, 2009

Crutchfield Customer Review (What's this?)

This thing is great except for one thing. After tearing my 01 Tacoma apart on a Friday afternoon, I realized this plug will NOT fit the harness in the truck. I called tech support (EXCELLENT!) and Allen emailed my some photos to solve the problem. As it turns out, Toyota used the speaker harness for an 00 on my 01. The difference between the two was useless. I'm not sure why Toyota even changed it. I simply cut the old speaker harness and Crutchfields in half and spliced them together. Couple cuts, some crimping and was ready to roll! If you're doing an 01-04, take off the seatbelt retaining bolts along with all the other parts that you need to. It will make life so much easier if you do! They're easy to get to and fairly simple to get off (14 mm socket).

Hands-on research

What's in the box?

Download owner's manual

  • 2 Speaker harnesses

Product Research


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

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

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

Quick-Slide Terminal Measurements: The positive female quick-slide terminal measures 0.205" (inner width), while the negative female quick-slide terminal measures 0.110" (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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