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Metra 70-8112 Receiver Wiring Harness

Connect a new car stereo in select 1992-2000 Lexus and Toyota vehicles

52 Reviews | 3 questions - 3 answers

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Overview

This vehicle-specific wiring harness makes connections between your new car stereo and your car's electrical system.

Metra 70-8112 Receiver Wiring Harness

This vehicle-specific wiring harness makes connections between your new car stereo and your car's electrical system.

First, attach the color-coded wires on your Crutchfield-supplied harness to the wires from your new stereo. If you're not using a soldering iron, we recommend that you purchase some wire connectors to secure the connections. Check out our handy article on three ways to connect the wiring harness here.

Now, once this harness is connected to your new stereo, you'll be able to plug right into your car's factory radio connector. This harness saves installation time since you won't have to cut factory wires individually, and this also enables you to re-install the factory radio if needed. A detailed instruction sheet comes with the harness. Warranty: 60 days.

Installation Note: This harness uses your factory amplifier; your new stereo must have two pairs of preamp outputs to connect this harness.

Please read this important note: This harness may not contain provisions for every wire needed to complete your installation, and it will not accommodate special navigation, video, or factory steering wheel control connections. You will need a special adapter if you want your factory steering wheel audio controls to work with your new stereo.

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.

Made it truly easy to install

Kevin, Montclair, NJ

What's in the Box:

  • Receiver wiring harness
Reviews

Metra 70-8112 Receiver Wiring Harness Reviews

Average Customer Review(s):

(52 Reviews)
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Hands-on research

Product Research

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:

Wire Color Function
Red +12 Volt Accessory
Yellow +12 Volt Constant
Black Ground
Blue Power Antenna
Blue/White Amp Turn-On
White RCA Left Front Channel
Gray RCA Right Front Channel
Green RCA Left Rear Channel
Violet RCA Right Rear Channel

Factory Amp Note: This harness includes RCA connections (instead of speaker wire leads) to connect the aftermarket head unit's preamp outputs to your vehicle's factory amp. Your aftermarket head unit must be equipped with front & rear preamp outputs.

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.

Accessories
Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Because you told me to. [ Richard  Jun 22, 2017 ]
The right harness for the right vehicle...Crutchfield does it again! [ Michael  Jun 06, 2017 ]
ease of install [ Raymond  May 29, 2017 ]
easy to use [ William  May 27, 2017 ]
Literally, couldn't find the correct connector ANYWHERE else. [ Brian  May 26, 2017 ]
perfect for installation couldn't ask for a better deal [ Anthony  May 14, 2017 ]
I like it [ Robert  May 03, 2017 ]
ease of installation [ Gene  Apr 26, 2017 ]
Needed this to hook up a car sterio. Works great. [ Robert  Feb 13, 2017 ]
Installing my deck in a 1997 Toyota Land Cruiser. I ultimately went with an older simpler Toyota harness that bypasses the amp in the dash and focuses only on the door speakers. [ BRIAN  Jan 24, 2017 ]
It fits my car [ ABELARDO  Oct 12, 2016 ]
Easier installation with this equipment [ R  Oct 06, 2016 ]
This was recommended as part of the complete install kit for a 95 Avalon [ Jeffrey  Aug 04, 2016 ]
its fits my stereo system [ Noah Robert  Jul 02, 2016 ]
Quality and a fair price. [ JAMES  Jun 13, 2016 ]
Site told me I needed it [ Patricia  May 08, 2016 ]
to install my jvc double din in my sc300 [ david  Feb 25, 2016 ]
Bought from you before years ago. [ Gregory  Feb 25, 2016 ]
The harness was recommended at checkout and I trust Crutchfield to give me the proper recommendations for my purchases. [ Loreto  Dec 19, 2015 ]
Used in past [ James  Dec 10, 2015 ]

3 questions already asked

Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy  Nov 08, 2015 ]  Staff
I forwarded your question to an Advisor and they responded with the following: He'll need a receiver with a 4 channel pre-amp output to use that harness. The RCA connections go to the factory amp and each RCA connection represents a speaker. If he doesn't connect two then he won't be able to use those speakers. If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat. [ Krissy  Apr 22, 2014 ]  Staff
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Jeff  Dec 20, 2013 ]  Staff
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