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Metra 72-8104 Speaker Wiring Harnesses For select 1992-up Toyota-built vehicles — adapt new speakers to the factory wiring plugs

Metra

Item # 120728104

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  • Metra 72-8104 Speaker Wiring Harnesses - Front

  • Metra 72-8104 Speaker Wiring Harnesses

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26 questions - 27 answers

Item # 120728104

Free shipping with delivery in 2 days or less on orders $35+

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$9.99
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About the Metra 72-8104 Speaker Wiring Harnesses

Metra 72-8104

These harnesses allow you to plug your new speakers into the factory connectors present in your Toyota's speaker openings. They are priced per pair.  Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if these adapters are compatible with your vehicle. Warranty: 1 year.

What's in the box:

MFR #72-8104

Featured review

Subaru Outback 2023. Installed new speakers with these adapters for front and rear doors and no wiring needed just plug and play. They were provided free by Crutchfield.

Jose from New York, NY

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Customer Q&A

Q

I have a 2002 Lexus ES300, would it work for the back door speakers as well ?

A

Greetings Jorge. Thank you for your question. Yes the front and rear doors use the same speaker wire adapters.

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More details on the Metra 72-8104 Speaker Wiring Harnesses

Pat M.
Researched by Crutchfield's Pat M.
The Metra 72-8104 Speaker Wiring Harnesses replaces these items:

Product Research

Features

Metra Speaker Harness: Metra speaker harnesses prevent you from having to cut your vehicle's factory speaker plugs when replacing your factory speakers with aftermarket car speakers. The Metra 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 Metra 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 Metra speaker harness to your aftermarket speaker's terminals or replace the quick-slide connectors on the Metra 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 Metra speaker harnesses are included.

Wire Color Function
White Positive
Black Negative

The Metra 72-8104 Speaker Wiring Harnesses replaces these items

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Customer Q&A

26 questions already asked

Q
Will these work for the front speakers on a 2004 Subaru Forrester? What part do I need for the rear speakers?
daniel  Jan 26, 2024
1 answer
A
Greetings Daniel. Thank you for your question. This is the right harness for the front door speakers, but for the rear you will need the 72-9300. https://www.crutchfield.com/p_120729300/Metra-72-9300-Speaker-Harness.html
hogan  Jan 26, 2024 (Staff)
Q
Will these fit for front and rear 6.5" after market speakers in a 2008 Subaru Tribeca? If not, what would and also, which speaker brackets would you recommend?
cody m  Jan 20, 2024
1 answer
A
Greetings Cody. Thank you for your question. These Metra 72-8104 speaker wiring adapters are for the front doors of the 2008 Tribeca. for the rear doors you would need their 72-9300 wire adapters. The front and rear mounting brackets are different as well. For the front: https://www.crutchfield.com/p_120828901/Metra-82-8901-Speaker-Mounting-Brackets.html And rear: https://www.crutchfield.com/p_142SAC656/Scosche-SAC-656-Multi-purpose-Speaker-Mounting-Brackets.html
hogan  Jan 21, 2024 (Staff)
Q
I have a 2002 Lexus ES300, would it work for the back door speakers as well ?
jorge  Oct 28, 2023
1 answer
A
Greetings Jorge. Thank you for your question. Yes the front and rear doors use the same speaker wire adapters.
hogan  Oct 28, 2023 (Staff)
Q
Will this connector work with connecting JBL GTO 629 speakers to a 2014 Subaru Crosstrek navigation?
dallas  May 04, 2023
1 answer
A
Greetings Dallas, and thank you for your question. These speaker wire adapters are vehicle specific, and universal to aftermarket speakers. These are the correct adapters for the 2014 Crosstrek front and rear doors.
hogan  May 05, 2023 (Staff)
Q
What the quantity of connectors when you order this?
jlarios  Dec 25, 2022
1 answer
A
These are sold in pairs (i.e. one harness for the drivers side and one for the passengers side of the vehicle).
jason  Dec 26, 2022 (Staff)
Q
Will this work for the subwoofer on a JBL system on a 2020 Toyota Tundra?
jeff  Sep 12, 2022
1 answer
A
For that speaker location, there is no adapter harness. Simply cut off the wires and connect directly to the aftermarket subwoofer.
thomas  Sep 12, 2022 (Staff)
Q
Hello, I will be ordering the JBL BassPro 12 powered subwoofer and plan to connect speaker level inputs to my factory rear speakers. I do not wish to cut or modify the factory connections or wiring, do you offer a "T" fitting that goes in between the factory wiring harness connector and the factory speaker terminal? The Metra 72-8104 only provides connection to factory harness, need the speaker terminal side too. My car is a 2012 Toyota Camry Hybrid all original head unit without JBL audio system, without LCD radio and all factory speakers. System is 100% stock. Thank You for your help in advance!
francis  Sep 05, 2022
1 answer
A
Greetings Frank, and thank you for your question. We do not have speaker T harness's. Not sure if you can even find those. What we recommend doing is using T taps (part number 669PP605), at least with those you are not breaking all the way thru the wires.
hogan  Sep 06, 2022 (Staff)
Q
Will it fit the kicker tweeter 2018 Tacoma?
ernie  Apr 06, 2022
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
kenneth  Apr 07, 2022 (Staff)
Q
will this work on 08 ES350 mark levinson 8" subwoofer as well?
ub2slow  Apr 27, 2021
1 answer
A
No idea
kelly  Apr 28, 2021
Q
Does this fit a 2013 Subaru BRZ door speakers?
shawn  Jan 11, 2021
1 answer
A
Yes with the supplied bracket. The only modifications I had to make was with the mids that needed a bracket to mount to the factory location. I cut the one off the factory speaker and it worked perfectly
bradley  May 17, 2021
Q
Does this also fit the center dash speaker too?
john  Dec 31, 2020
1 answer
A
Yes it does
stephen  Dec 31, 2020
Q
The description says that this product only fits 1992-up Toyota-built vehicles, but the website also shows that this will fit a 2008 Mitsubishi Eclipse, will it for sure fit a 2008 Mitsubishi Eclipse?
cyrus  Nov 21, 2020
1 answer
A
These harnesses do work in your 2008 Eclipse in both the front door and rear speaker locations to let you plug aftermarket speakers into the stock wiring
jason  Nov 28, 2020 (Staff)
Q
Will these work for my door speakers in my 2018 Camry?
justin  Nov 01, 2020
1 answer
A
These will work in the rear doors of the 2018 Camry Hybrid versions
jason  Nov 18, 2020 (Staff)
Q
Will this fit my 2017 Toyota Highlander Hybrid Platinum with the upgraded JBL premium sound?
natecooley  Aug 24, 2020
1 answer
A
You can check to see if this will fit your vehicle by using our Outfit My Car tool: http://www.crutchfield.com/car/carselector.aspx For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
thomas  Sep 10, 2020 (Staff)
Q
how do these function with component door speakers?
aren  Aug 24, 2020
1 answer
A
We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question.
thomas  Sep 10, 2020 (Staff)
Q
Will these fit my 2001 toyota tundra ?
elisha  Jul 07, 2020
1 answer
A
These will not work in your Tundra. We have not been able to find speaker harnesses for them. The only solution we have to replace the speakers and reuse the stock wiring is to cut the plug off that wiring and attach quick slide connectors: www.crutchfield.com/p_120FQS10PK/item.html
jason  Jul 28, 2020 (Staff)
Q
Why doesn't this fit my 2018 Yaris IA?
daniel  Mar 11, 2020
1 answer
A
The speakers are bigger then the car.
hollis  Sep 19, 2020
Q
Will this work for 2017 Toyota Tacoma corner dash?
lucio domingo  Nov 12, 2019
1 answer
A
Hi Lucio, thank you for reaching out. Unfortunately, there are no speaker harnesses available for the corner dash speakers in the 2017 Tacoma. You will need to splice, or tap into the vehicle's stock speaker wire in order to add new speakers into that location.
jessica  Nov 21, 2019 (Staff)
Q
Do you carry connectors that will pair up from a base 2017 STI system to the Harmon Kardon upgrade speakers, in the front/rear doors?
craig  Oct 12, 2019
1 answer
A
Hi Craig, thank you for your question. Unfortunately, we would be unable to guarantee fitment of these harnesses if you are looking to upgrade your current speakers, for a set of the factory upgraded Harman Kardon speakers for your vehicle. It looks to be that the plugs for the vehicle with the H/K system installed, are different than the base model speaker connections. You may wish to reach out to your local dealership regarding the installation of those speakers.
jessica  Oct 22, 2019 (Staff)
Q
Will these work for 3.5" dash speakers in 2018 Toyota Rav4 w/ jbl system?
patrick  Sep 16, 2019
1 answer
A
These are the harnesses for the front and rear doors in the RAV4, yes. It is not the harness for the dash speakers ( we don't have one), or for the 8 inch subwoofer ( we do have that one).
thomas  Sep 25, 2019 (Staff)
Q
does this wire adapter work for tweeters (alpine s65c set), subaru outback 06? if not, which wire adapter can?
f  Mar 16, 2019
1 answer
A
Yes but it will not filter out the lower frequencys to your tweeters
john  Mar 16, 2019
Q
Will these work for a 2018 4Runner sr5 without navigation?
gary  Jan 10, 2019
2 answers
A
Yes, everything should fit.
misael  Jan 10, 2019
A
It worked fine in my 2016 Tacoma. Everything fit and the connectors mated up to the oem harness.
robert  Jan 10, 2019
Q
What is the gague of this wire?
cameron  Dec 17, 2018
1 answer
A
I think this is either 16 or 18 gauge. This came with my speakers, but I did not use it. I ran 12 gauge right from my Alpine amp. Hope this helps
trevor  Dec 22, 2018
Q
Will these work for 2003 GS430 with Mark Levinson navigation and sound system?
khoi  Aug 26, 2018
1 answer
A
They are recommended for the front door tweeters, yes. All of the other factory speakers either use a different harness or do not require one to connect to an aftermarket speaker.
ryan  Aug 30, 2018 (Staff)
Q
Will these work for 2018 Subaru wrx base?
bryan  Apr 21, 2018
1 answer
A
It sounds like you have the version of that car that came without the Harman Kardon sound system. If this is correct for your's, then these harnesses will work in the front and the rear door speaker locations! My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
jason  May 05, 2018 (Staff)
Q
Does this set come for all for speakers or do you have to buy one for the front and one for the rear?
kenneth  Mar 11, 2018
1 answer
A
Need to buy two sets one for front and rear speakers
ruben o  Mar 17, 2018
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