Speaker Wiring Harnesses

For select 1998-up Mercedes, Porsche, and Volkswagen vehicles

Item #: 12071051

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39 Reviews | 1 question - 1 answer

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

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 else crimp or solder the slide terminals included with the new speakers to the Crutchfield harness. Please enter your vehicle information or call a Sales Advisor at 1-888-955-6000 to find out if this model is compatible with your vehicle.

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.

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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.

Speaker Wiring Harnesses Reviews

Average Customer Review:

39 reviews
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Wiring harness

Written By MR, Rapid City, SD on Sunday, November 09, 2014

Crutchfield Customer Review (What's this?)

Worked perfectly for adapting 2006 Jetta Tdi rear speaker install

Speaker Wiring Harness

Written By CEN, New York on Saturday, November 01, 2014

Crutchfield Customer Review (What's this?)

Excellent, made doing it yourself, easy.

Pros: Qick to ship, easy to use.

Cons: none

Works as expected - slight hitch

Written By VDPhD, Dover, NH on Thursday, October 30, 2014

Crutchfield Customer Review (What's this?)

Works as expected - wire harness, with a little glitch, the clips on both don't fit snugly to the speaker (smaller of the two clips). Was creative and made it work.

Pros: Mostly fit

Cons: Little looseness that had to be addressed on the smaller of the two clips.

Easy breezy

Written By Anonymous, Stafford, VA on Saturday, October 25, 2014

Crutchfield Customer Review (What's this?)

What can I say. Remove from package, attach the connectors (which are size matched), and plug into vehicle harness. I had to slightly squeeze to ensure a tight fit.

Pros: 30 sec install. No soldering Size matched

Cons: None

Wiring Harness

Written By Jason, Prairie Village, KS on Wednesday, October 08, 2014

Crutchfield Customer Review (What's this?)

These saved my life. Couldn't have done the job without these.

Pros: Amazing.

Cons: None so Far.

Good Factory connections but ***

Written By dr d., walkerton in on Thursday, October 02, 2014

Crutchfield Customer Review (What's this?)

the connections to the factory connectors are good and lock in tight, but the spade connectors are too weak and will pop off the speakers , no locking pin - had to cut the spade connectors off and solder the wires direct to the speaker

Pros: factory connectors are good

Cons: spade connectors are too weak

Speaker Wiring Harnesses

Written By Anonymous, Boyce, VA on Monday, September 15, 2014

Crutchfield Customer Review (What's this?)

Very Convinient

Pros: Made it easy to install new speakers

Perfect fit

Written By Jason, East Earl, PA on Wednesday, August 13, 2014

Crutchfield Customer Review (What's this?)

Perfect fit for replacing dead OEM rear-door speakers in my 04 Jetta.

2010 VW Tiguan owners

Written By RadoCC, Charlotte, NC on Tuesday, June 24, 2014

Crutchfield Customer Review (What's this?)

You will definitely need this if you are upgrading all four door speakers in a 2009-2011 VW Tiguan (not sure if it works for other VW models), and don't want to splice factory wires.

Pros: Plug-n-play, prevents cutting factory wiring.

Cons: Nothing

Speaker Wiring Harnesses

Written By Matt R, Lowell, MA on Friday, June 20, 2014

Crutchfield Customer Review (What's this?)

I ordered this product for two different vehicles and each time the wiring harnesses have made for a perfect installation. I am very pleased and have come to expect such quality and reliability from Crutchfield over the years.

Pros: Perfect fit, No Muss No Fuss.

Cons: NONE

Speaker Wiring Harness

Written By Kelly, Fleetville, PA on Thursday, May 22, 2014

Crutchfield Customer Review (What's this?)

Fit perfectly, fast service, and an excellent price.

Pros: Fast, easy, good fit, excellent price, wide selection.

Cons: None.

Speaker Wiring Harnesses

Written By VW N8, FT Worth, TX on Saturday, April 26, 2014

Crutchfield Customer Review (What's this?)

Used these for an install of new door speakers in my 2011 Jetta. These made the install a breeze!!! The only issue was the ends needed to be crimped with needle nose pliers to get a tight fit on the speakers but not much of an issue!

Pros: Quick and easy for install

Cons: Need to crimp the ends to fit the speakers.

Perfect match

Written By mareanus, Columbia, SC on Thursday, April 03, 2014

Crutchfield Customer Review (What's this?)

Perfect match, you don't have to do any improvisations.

Made installation much easier

Written By Uscgqm, Poulsbo, WA on Sunday, November 17, 2013

Crutchfield Customer Review (What's this?)

This harness made installation much easier as I did not have to splice it into the wiring. I did still have to splice the speaker wires themselves together from four to two. The only improvement I can think of would be to make the harness do that installation will be completely plug and play.

Pros: Simple plug and play install on the speaker end.

Cons: Still had to splice speaker wires on the car side to make it work.

Wire Adapters

Written By Panhandleslim65, Jacksonville, AR on Saturday, November 16, 2013

Crutchfield Customer Review (What's this?)

These adapters were a perfect fit. Made wiring the speakers very simple. No soldering required. Plug n Play.

Pros: Easy, Well marked, good instructions

Cons: Almost too long.

1 connector the wrong size

Written By daveb, portland,or on Tuesday, November 12, 2013

Crutchfield Customer Review (What's this?)

Its a good idea, just needs a tweak and it would be great. The negative (smaller) terminal on both the connectors they gave were too large. Putting them onto the speaker they would fall right off under their own weight. Had to crimp them down with a large pliers while being careful not to mess up the plastic sleeve. This ineviteably made them a bit too tight, and required playing back and forth a minute to get it right. Not the worst thing in in the world, and saved the OEM connector. I cant help but thinking it would just be less time to crimp on a new connector then use these though.

Pros: keeps oem connector

Cons: doesnt fit negative terminal and needs manual adjustment to work.

speaker harness

Written By remo, Orlando FL on Monday, October 28, 2013

Crutchfield Customer Review (What's this?)

perfect !!! just what I needed.

Cons: none

Kinda Sucked

Written By Busted Speakers, maryland on Saturday, October 12, 2013

Crutchfield Customer Review (What's this?)

These adapters may work for some installations, but for the VW component system, they do NOT power the satellite tweeter. VW uses the 2 of the 4 conductors in the terminal for the speaker input and the other two to power the tap to the tweeter. I had to jumper the spare pins in the adapter to get the tweeters to work.

Pros: Free - you need the VW connector to get the component woofer to work.

Cons: Does not power the tweeter on a VW - need to splice or jumper the unused terminals.

Worked for one--incorrect harness for the rear though

Written By Sean C, Warren, CT on Thursday, October 10, 2013

Crutchfield Customer Review (What's this?)

Wrong harness for the rear speakers. Harness was correct for front speakers

Pros: Made install seamelss

Cons: Wrong harness, but Crutchfield didnt have my exact car, so not really their fault.

connectors loose

Written By Dan, Monterey on Thursday, September 19, 2013

Crutchfield Customer Review (What's this?)

Worked well, except the connectors that attach to the speakers are loose.... Not a big deal...just crimped them a bit with pliers....as others have mentioned.

Pros: adapted to existing vw wiring

Cons: connectors need crimping

Decent, could be better...

Written By gyakusetsu, Denver, CO on Wednesday, September 04, 2013

Crutchfield Customer Review (What's this?)

These came free with my purchase of some Alpine speakers. I definitely liked not having to cut my factory harness, but the connector terminal for the negative speaker lead was so loose on all 4 of these I used that I had to crimp it a little with pliers to get it to stay snugly. The positive plug was fine, so I am not sure why the other one was so loose.

Fix the problem and these will be perfect.

Pros: Genuine VW plug/harness used, just enough length to reach from plug to speaker, plug & play (no wire swapping).

Cons: Negative terminal plug cheap and loose. Plastic covers popped off the speaker-end terminals sometimes making them a bit difficult to attach sometimes.

VW wiring kit

Written By D C, Cherry Hill, NJ on Monday, August 26, 2013

Crutchfield Customer Review (What's this?)

Very handy

Pros: Very handy for connect with existing wiring

Cons: None

They work

Written By Michele C, Longwood, FL on Saturday, August 17, 2013

Crutchfield Customer Review (What's this?)

Worked fine!

Pros: Came free!

Cons: none

Easy install and FREE is always a great price!

Written By Ditty2188, North Babylon, NY on Monday, August 12, 2013

Crutchfield Customer Review (What's this?)

They worked exactly as they were supposed to...and being included for FREE with the speaker purchase is always a nice thing. Connected directly to OEM speaker harness.

Pros: Easy Install, saved time and money over traditional install FREE is as great of a price as you can ask for!

Making life easy

Written By Mike, Allentown, PA on Monday, July 29, 2013

Crutchfield Customer Review (What's this?)

I have never bothered with this sort of stuff, I always bust out the soldering iron. I have to say its worth it to have it. cut the job time in half or more. Great product!

Pros: Works as advertised. Just plug it in.

Cons: None

Good product

Written By Anonymous, San Jose, CA on Friday, July 26, 2013

Crutchfield Customer Review (What's this?)

This connector has made the installation process a breeze.

Great accessory

Written By LW, Jax, FL on Sunday, June 30, 2013

Crutchfield Customer Review (What's this?)

Perfect fit for my MTX speakers to 98 Beetle

Pros: Perfect fit

Cons: None

New install, but not a new installer.

Written By Aaron P., Plano, TX on Tuesday, June 25, 2013

Crutchfield Customer Review (What's this?)

Work exactly as advertised. Due to the construction of my Crescendo midbass drivers I am not able to use the spade connectors, but that is only a matter of cutting and stripping the ends. The fit with the factory harness is perfect.

Pros: Perfect fit to factory harness, likely a perfect fit to 99%+ of the speakers on the market.

Cons: None.

probably great if I didnt want to keep the tweets

Written By Jeremy H, Portland, OR on Thursday, June 06, 2013

Crutchfield Customer Review (What's this?)

Factory speakers use a coil and a capacitor as a cross over to the tweeters. I wanted to keep this, and ended up cutting the connector, coil, and cap out of the old speakers, I then wired to the ground and the 3rd wire as these adapters for the new speakers. Worked like a charm, not sure why they dont just make an adapter with a cap and a coil as a built in cross over.

Pros: free

Cons: not so usefull as a direct plug in part, OK for parts.

Perfect

Written By K M, Birdsboro PA on Monday, May 06, 2013

Crutchfield Customer Review (What's this?)

Without these adapters it would have taken much longer, Crutchfield makes the install a snap

Pros: perfect fit

Cons: none

Plug and Play

Written By Majorhi, Wilsonville,OR on Wednesday, March 20, 2013

Crutchfield Customer Review (What's this?)

It is nice to not have to ruin factory connectors. This does just that! Plenty of length to make appropriate connections.

Pros: Plug and play

Cons: May have to use pliers on the negative connector IIRC so it would fit tight on the speaker terminal.

Speaker Wiring Harnesses

Written By capipa, Arizona on Friday, February 22, 2013

Crutchfield Customer Review (What's this?)

If you're replacing your factory speakers, this equipment will be very helpful when you're making your installation, highly recommended. Thank you.

jetta mk4, speaker harness

Written By Anonymous, N. Alabama on Saturday, October 27, 2012

Crutchfield Customer Review (What's this?)

worked great. Note: the lugs had be tighted a bit with needle nose pliers to attach tightly to my speakers, but that is not an issue, and happens often with sort of work.

Pros: saved me lots of time, and the adapter works as designed

Cons: tightening the lugs to hold tightly to the speaker- Hardly a 'con', by my experience.

Plug & play

Written By JC, Seattle, WA on Monday, July 02, 2012

Crutchfield Customer Review (What's this?)

Very easy to use for replacing stock speakers in the 2003 Jetta with Monsoon system. Simple plug & play.

Pros: Easy to use. Easy to install.

Cons: None.

Speaker Wiring Harnesses

Written By Mark, Hobe Sound, FL on Tuesday, May 15, 2012

Crutchfield Customer Review (What's this?)

Made the job extra easy.

Speaker Wiring Harnesses

Written By caraddict, Vasking Ridge, NJ on Friday, February 17, 2012

Crutchfield Customer Review (What's this?)

Incomplete and unusable. The harness will only work if you are installing a full range (coaxial, etc) speaker. It only has 2 wires feeding the speaker; the OE design 4 wires with the second 2 wires going to the tweeters. I had to cut off the factory plug and run those 2 outputs to an aftermarket crossover, then run new sire to the speaker and a second wire going to the tweeter high in the door. Unless you are just installing coaxial speakers, dbon't bother buying this harness.

Pros: Useless purchase for the Passat, although it might fit other VWs if you just want to drive a single speaker in the door

Cons: Consider your installtion carefully, but for my application It is unusable

Helpful

Written By Roger, Baltimore, Md on Thursday, January 26, 2012

Crutchfield Customer Review (What's this?)

Easily connects to factory fitting but the narrow (-?) fitting was loose on the speaker prongs of the Pioneers that I bought (TS-G1644R & TS-G1643R). I took pliers and squeezed fitting a little before slipping onto prong and it now holds tight. Easy fix.

Pros: Attaches to factory hardware easily

Cons: May need to tighten narrow end that connects to speaker

So easy

Written By Reggie, Clear Lake, IA on Tuesday, April 05, 2011

Crutchfield Customer Review (What's this?)

These couldn't have worked more perfectly, awsome!

Needs more

Written By Phil L., Orlando, FL on Saturday, March 26, 2011

Crutchfield Customer Review (What's this?)

This cable did indeed fit the factory connector in my 2001 Beetle but it would be
really nice to have supplied some sticky-back foam to wrap the connector in to
keep it from rattling against the door and panel. The original speaker has the
connector built into the spacer and there is no extra slack in the wiring
harness. I modified the new spacers and epoxied the new harness connectors
to them to resemble the original configuration.

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Questions & Answers Ask the community. Share your knowledge.

1 question already asked

I forwarded your question to an Advisor and they responded with the following: This speaker harness is not "made" by Crutchfield, it is made by Metra. They no longer actually offer the part however, and don't have a current item/model number for the part. It looks like we have them, simply because we had a large stock and have not sold out of them over time. There's a good chance that we may be one of the only solutions for getting their hands on this piece. If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat. [ Krissy  Sep 10, 2014 ]  Staff

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