Speaker Wiring Harnesses

For select 1984-97 Chevrolet, Geo, and Toyota vehicles

Item #: 12071006

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19 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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19 reviews
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Speaker Wiring

Written By Mike B, North Carolina on Wednesday, September 09, 2015

Crutchfield Customer Review (What's this?)

Perfect fit.

Pros: Fit

Speaker Wiring Harnesses

Written By ml, Virginia on Monday, August 24, 2015

Crutchfield Customer Review (What's this?)

did not fit truck harness

Cons: does not fit

Crutchfield response on Tuesday, August 25, 2015 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.


Written By Zachfurry, UK on Saturday, April 25, 2015

Crutchfield Customer Review (What's this?)

Works like a pair of wires should!

Pros: easy install

Cons: none

Very nice harness

Written By Chris, Virginia on Saturday, April 25, 2015

Crutchfield Customer Review (What's this?)

These came with my speaker purcahse, these harnesses fit perfect

Pros: Perfect fit

Cons: None

Simply ... simple

Written By Douglas, Murray, UT on Tuesday, November 25, 2014

Crutchfield Customer Review (What's this?)

The title says it all.

Pros: Easy

Cons: None

Works Fine

Written By ReneN, Blacksburg, VA on Thursday, September 18, 2014

Crutchfield Customer Review (What's this?)

Wiring. Fits. Works. What else to say?

Pros: Worked perfectly for a 1985 Toyota MR2, eliminating the need for any soldering or additional wiring. Included free with speaker purchase.

Cons: None.

Does not fit my vehicle

Written By Anonymous, Colonial Heights, VA on Wednesday, August 06, 2014

Crutchfield Customer Review (What's this?)

I'm sure it is a great product. However, it did not fit my application

Pros: Nice product

Cons: Does not fit

basic harness

Written By will, Goldsboro, NC on Tuesday, April 01, 2014

Crutchfield Customer Review (What's this?)

works as advertised.

Not so great.

Written By Rusty, Pearcy, AR. on Sunday, March 16, 2014

Crutchfield Customer Review (What's this?)

The harness didn't help a thing.

Pros: None

Cons: The harness did not match up to anything.

Crutchfield response on Wednesday, March 19, 2014 Our Technical Support team has followed up with Rusty. Lifetime tech support comes with every Crutchfield purchase.

Plug n play

Written By T so cal, Palm Springs Ca on Saturday, February 08, 2014

Crutchfield Customer Review (What's this?)

Plug n play easy install

Pros: Makes install clean and easy

Cons: None


Written By JODY, MENDENHALL,MS on Sunday, January 19, 2014

Crutchfield Customer Review (What's this?)



Cons: NONE

Speaker Wiring Harnesses

Written By Kevin, Broadway, VA on Sunday, December 08, 2013

Speaker harness did not fit factory harness.

Speaker wires

Written By Jan1, Jackson Ms on Monday, July 29, 2013

Crutchfield Customer Review (What's this?)

Did not use the wire for the intended purpose due to the speakers being mounted in 6x9 boxes. However, clipped the adapter and used the speaker terminal end instead. Can not complain since they were free with the speakers.

Pros: FREE

Cons: N/A

Just in case

Written By dcrio, Royersford, PA on Wednesday, July 24, 2013

Crutchfield Customer Review (What's this?)

Nice to have if your car/speakers need the adapter. Mine did not. The speakers installed directly into the factory wires. But it was a no-charge Crutchfield add in, and I respect that!

Pros: Nice if needed, free

Cons: Didn't need

Speaker Wiring Harnesses

Written By Hawaiison, Honolulu, HI on Friday, June 21, 2013

Crutchfield Customer Review (What's this?)

This Free Item provided by Crutchfield made the installation of speakers into my truck so Super Easy! Truly a Great Item for any Do It Yourself Installer!

Pros: Easy Attaching to Vehicle's Factory wiring!

Cons: None

Speaker wiring harness

Written By TomN., Medford, Or. on Saturday, November 10, 2012

Crutchfield Customer Review (What's this?)

These speaker wiring adapters are awesome and made the install in my 1986 4runner easy.

Pros: perfect fit and easy install.

Cons: nothing.

Speaker Wiring Harnesses

Written By Anonymous, Philadelphia, Pa on Monday, May 07, 2012

Crutchfield Customer Review (What's this?)

Not the correct connector for 1994 Toyota pickup. The factory connecters are blade style and these are round plug style. I just spliced the speakers in, no problem. Everything else Crutchfield included in the order worked perfectly and their service is top-notch!

Pros: None for 94 Toyota pickup

Cons: Didn't fit factory plugs.

Didn't need, not sure why they came

Written By Domitus, NoCo on Friday, April 06, 2012

Crutchfield Customer Review (What's this?)

You know, they look good an all, but I really don't get why they came with my order. There is no way they would be useful for a '92 4Runner, like...no way. The speakers I bought came with new wires that I attached to the existing connections in my car, so that is cool, but I ended up throwing these away.

Pros: I am sure they work great, but just not needed for my car ('92 4Runner)

Cons: I would have rather had some stickers or something, or a coupon for a free beer.

Speaker wiring harnes; 1991 Toyota Corolla

Written By Jason D, Kentucky on Friday, January 27, 2012

Crutchfield Customer Review (What's this?)

I'm glad these were free, as they were useless for a 1991 Toyota Corolla. The car-specific "clip" end was already mounted directly to the speaker enclosure, and the wiring to the inside was through a sealed hole. I just used what was already on the vehicle, so I didn't use these.

Pros: The only pro (and the only reason I gave two stars) was because it came with the female slide connectors for positive and negative posts. Since the OEM speakers were soldered to the original wire, I cut these off from the clip and butt crimped them to the existing wiring.

Cons: Useless for this vehicle unless you want to make unnecessary modifications.

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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