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Metra 70-8116 Factory Integration Adapter

Allows you to install a new car stereo and bypass the factory amp in select 2000-06 Toyota vehicles

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  • Metra 70-8116 Factory Integration Adapter

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Our take on the Metra 70-8116 Factory Integration Adapter

by Zak Billmeier

Metra's 70-8116 adapter lets you install an aftermarket stereo in select 2000-06 Toyota vehicles, bypassing the factory amplifier. The harness includes a 17-foot 16-gauge cable that connects at one end to the output plug of your factory amplifier, and on the other end to your aftermarket receiver. Warranty: 1 year.

Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if this model is compatible with your vehicle.

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.

 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • 7.5" Power harness
  • 17' Amp bypass harness
  • Instructions

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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.

Features

Crutchfield Wiring Harness: Crutchfield wiring harnesses prevent you from having to cut your vehicle's factory radio plug when replacing your factory radio with an aftermarket head unit. Simply solder or crimp the Crutchfield wiring harness to your aftermarket head unit's harness (solder & crimps not included), plug the aftermarket head unit's plug into the rear chassis of the aftermarket head unit, and plug the Crutchfield wiring harness into your vehicle's factory radio plug.

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

Wiring Notes: If the Crutchfield wiring harness is not equipped with a ground wire, you will need to ground the aftermarket head unit's ground wire to the metal chassis of your vehicle. Some vehicle's may require you to bypass the vehicle's factory amplifier (in another location from factory radio) or hardwire certain connections. If your vehicle is equipped with factory steering wheel controls, an additional adapter is required & sold separately.

Wire Code Chart:

(Power Harness)

Wire Color Function
Red +12 Volt Accessory
Yellow +12 Volt Constant
Black Ground
Blue Power Antenna

(Speaker Harness)      

Wire Color Function
White Left Front Speaker +
White/Black Left Front Speaker -
Gray Right Front Speaker +
Gray/Black Right Front Speaker -
Green Left Rear Speaker +
Green/Black Left Rear Speaker -
Violet Right Rear Speaker +
Violet/Black Right Rear Speaker -
Green/White Subwoofer 1 +
White/Red Subwoofer 1 -
Brown/Yellow Subwoofer 2 +
Brown/Blue Subwoofer 2 -

Harness Location: The factory plug that mates with the Power Harness is located in the factory radio cavity of the vehicle. The factory plug that mates with the Speaker Harness (used to bypass factory amp) is located at the external factory amp location (in rear of vehicle). The 17' Speaker Harness will need to be plugged into the external factory amp and then run up to your in-dash aftermarket head unit for speaker wire connection.

Note: An external aftermarket amplifier is recommended to connect the factory subwoofer channels (if present) of the wiring harness in order to power your vehicle's factory subs.

The Crutchfield Car Selector: Please visit the Crutchfield Car Selector for your specific type of vehicle.

 
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Metra 70-8116 Factory Integration Adapter Reviews

Average Customer Review:

8 people say:

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5 out of 5

connects

Written By benW, maui, HI on Wednesday, October 09, 2013
Crutchfield Customer Review (What's this?)
 
Cherry connection
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3 out of 5

Does the job - needs more info when bypassing amp

Written By rsc10, Ft Wayne, IN on Sunday, September 29, 2013
Crutchfield Customer Review (What's this?)
 
It works well and the wiring instructions were fine, It did not include instructions on bypassing the amp however. I had to call for tech help a couple of times. Also, when bypassing the amp you lose the use of the large 'woofer' speaker on the rear deck - that was never disclosed either. Installed on a 2002 Avalon with JBL system (4 speakers plus woofer).
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5 out of 5

Worked Great!!!

Written By GaryF, Raton, NM on Friday, July 19, 2013
Crutchfield Customer Review (What's this?)
 
The Metra Factory Integration Adapter worked great. It was easy to install without cutting any factory wires. When I get ready to get rid of this car I could put the factory system back in in less than 30 minuets. Glad I found this before I started cutting the factory harness out.
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5 out of 5

Perfect Fit

Written By Morgan S., Salina, KS on Monday, June 17, 2013
Crutchfield Customer Review (What's this?)
 
Used on my 2002 Toyota Avalon. The instructions were very clean and all the colors matched up perfectly to my new head unit.
Pros:
Plugged it in and was ready to reinstall my trim.
Cons:
Had way to much extra wire. Probably around 10 extra feet.
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4 out of 5

Extra wiring needed at the amp

Written By JJ, Pa on Wednesday, October 10, 2012
Crutchfield Customer Review (What's this?)
 
Adapter works, I have 2000 Toyota landcruiser, no issue with the HU harness adapter. However there are two wiring harness with the factory amp. If you just plug in the metra adapter, without making 3 other wire bypass connections, your radio will not have power. Since Toyota radio power is getting feed from the amp. I was on phone with Crutchfield about this 3 times. Even the crutchfield techs weren't aware of that.
Pros:
Fits peferct
Cons:
Not a plug and play, need extra wiring
1 out of 1 people found this helpful
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4 out of 5

Metra 70-8116 Factory Integration Adapter

Written By Anonymous, Massachusetts on Saturday, March 24, 2012
Crutchfield Customer Review (What's this?)
 
Worked fine with my 2001 Land Cruiser for the connections that were provided on the adapter.
Pros:
Good wiring diagram included.
Cons:
Note: there is no connection for the Illumination wire using the adapter (even though it exists on the factory radio harness) - an additional splice must be made from the new head unit harness into the original factory radio harness.
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5 out of 5

Metra 70-8116 Factory Integration Adapter

Written By Jay, Costa Mesa, CA on Wednesday, September 28, 2011
Crutchfield Customer Review (What's this?)
 
Worked perfect
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4 out of 5

Amplifier Bypass Plug and Harness

Written By Norm, Centennial, Colorado on Monday, February 08, 2010
Crutchfield Customer Review (What's this?)
 
The hard part here was finding the location of the Amplifier behind the rear seat under the carpet in the cargo area before I could plug in the Bypass plug. I called tech support and they emailed me pictures that were very helpful in finding the amp to bypass.
10 out of 13 people found this helpful
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For a more in-depth review and enhanced detailed information on the Metra 70-8116 Factory Integration Adapter, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_120708116/Metra-70-8116-Factory-Integration-Adapter.html ).

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