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Metra 70-1783

Aftermarket Radio Wiring Harness for Select 2008-Up SMART Fortwo Vehicles

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Metra Audio Store

This wire harness is for the 2008 Smart Car ForTwo/451 car stereo installation. This harness will fit a Passion coupe, cabriolet, convertible or Pure car. This harness allows you to replace the factory stereo with any after market radio receiver. Installation and assembly are simple and no cutting is required. If you are changing the radio in your Smart Car this harness is a must! We also have the kit and antenna adapter available too!

Product Features:

  • Wiring Harness for 2008-up SMART ForTwo Car
  • Plugs into car harness
  • Power/4-Speaker
  • 16-pin Plug
  • Allows for the installation of an aftermarket radio using the existing factory wiring and connectors
  • No cutting of factory wiring needed
  • 1-year Manufacturer's warranty

Connections:

  • Yellow – 12V Constant
  • Red – 12V Accessory
  • Black - Ground
  • Orange – Dash Light Dimmer/Illumination
  • Green – Left Rear Speaker (+)
  • Green with Black Stripe Left Rear Speaker (-)
  • White – Left Front Speaker (+)
  • White with Black Stripe – Left Front Speaker (-)
  • Purple – Right Rear Speaker (+)
  • Purple with Black Stripe – Right Rear Speaker (-)
  • Gray – Right Front Speaker (+)
  • Gray with Black Stripe – Right Front Speaker (-)

Harness Features

Vehicle Sound System
This refers to what kind of sound system the vehicle has. Premium audio systems are generally name brand systems (such as JBL, Bose, Rockford Fosgate, etc) that have been installed inside a vehicle when it leaves the factory. Often they more advanced systems, complex wiring, factory amplifiers, and other features that can make installing aftermarket component difficult.
Standard Sound
Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Connect/Install an Aftermarket Car Stereo
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
smart
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Smart Car

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
33%
4 Star
0%
3 Star
33%
2 Star
33%
1 Star
0%

Average Attribution Rating

Durability
4.3
Value
3.7
Features
3.7
Design
4.3
Usability
2.3
Craig

Frederick, MD

Overall
Durability
Value
Features
Design
Usability
Harness does mnot straight out of the package. Customization is needed. Also Sonic needs to update their database for this model car. The SMART car.

March 5, 2012

This part should work for 2008-2010. For the 2011 model, some modification will probably be neded. Can't say for sure other than in 2011 dash changed and maybe some wire color/placement also could have changed.

For 2012, changed again: in this harness you will need to pull the RED wire from its' current space and place it in the OPEN spot that is directly below the BLACK wire. This is the only way using this harness that you will get audio and power.

Of course there are harder ways to get power. You could run a separate red wire from the cig lighter to the radio red OR run a separate RED wire fuse connector/adapter/piggyback from the radio fuse in the fuse box area (fuse location #15) to the radio RED wire but WHY would anyone in their right mind want to do that. Take the easy, clean way and just move the red wire to the open spot below the black wire. EASY!! I wasted a whole week buying these parts and it didn't even work unless modified.

9 of 12 found this helpful

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Junesoo

Niagara Falls, NY

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Old Pin Locations

June 12, 2015

The pin locations haven't been updated to reflect the wiring harnesses in the latest ForTwo models. Takes some digging online, since Metra doesn't include or publish updates, to determine the correct locations.

7 of 9 found this helpful

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François

Canada

Overall
Durability
Value
Features
Design
Usability
Très satisfait

May 11, 2015

Prix très bon et livraison très rapide. Je recommande ce vendeur

7 of 9 found this helpful

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Browse 1 question and 1 answer
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Why did you choose this?
Sonic Electronix Store
Fits the usage for my vehicle
Mark A on May 30, 2016

Product Summary

Manufacturer

Model Number

70-1783

UPC

086429178445

Weight

0.25lbs

Internal SKU

met-701783

Internal Product ID

14116

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Metra 70-1783