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Metra 70-5524 Receiver Wiring Harness

Connect a new car stereo in select 2011 Ford Fiesta models

Item #: 120705524

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4 Reviews | Ask Questions

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Metra 70-5524 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.

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.

Metra 70-5524 Receiver Wiring Harness Reviews

Average Customer Review:

4 Reviews

Makes wiring simple

Written by: Frank_a from Ravena, New York on November 17, 2015

2011 Ford Fiesta
Crutchfield Customer Review (What's this?)

These harness Crutchfield supploes make a tough job much easier.

Pros: Quality products.

Cons: None.

almost right on money

Written by: Anonymous from Kuna, ID on January 26, 2015

2011 Ford Fiesta
Crutchfield Customer Review (What's this?)

Instructions were great. Colors matched up and connectors fit right. But one pin was in wrong location and shut down installation for a day and forced me to call support. Deal breaker if I was not electronics guy.

Pros: Quality product

Cons: Wrong pin out.

Great solution

Written by: Rnlcomp from New Orleans on July 27, 2014

Crutchfield Customer Review (What's this?)

Made a jumper harness for a 13 F150 with 4.2" screen to use an inline amp so oem harness won't be molested in any way.


Cons: Connector not fully populated

stereo wiring harness

Written by: Kristin from Portland, OR on March 12, 2014

2011 Ford Fiesta
Crutchfield Customer Review (What's this?)

Very easy to install

Pros: Super easy to install

Cons: Found none

Hands-on research

What's in the box?

Download owner's manual

  • Receiver wiring harness

Product Research


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 Chassis Ground
Orange/White Dimmer
White Left Front Speaker +
White/Black Left Front Speaker -
Gray Right Front Speaker +
Gray/Black Right Front Speaker -

No Rear Speaker Leads: This harness does not include rear speaker wire leads. It may be necessary to either splice your aftermarket receiver's rear speaker wires to existing wires (if present), or run new rear speaker wires.

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.

Customer Q&A

Crutchfield asked  
Why did you buy this?

So I do not have to cut the wires. [ Whitfield  Jan 20, 2016 ]

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