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Metra 70-5603 Wiring Harness

Install a new car stereo and retain factory amplifier in select 1995-2004 vehicles from Ford, Lincoln, Mazda

Metra
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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

See compatible vehicles Learn more about the met-705603
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List price $27.99
Thanks , You Pay:
-39%

$16.99

 with warranty
4 payments of $5

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We confirm fitment and offer accessories for speakers. Please set your vehicle first if you would like to purchase more than one met-705603.

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In Stock. Only 2 Left!
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Description


Metra brand icon

Authorized dealer

Product Features:

Connections:

  • Red - Ignition/Accessory Wire of Aftermarket Radio
  • Yellow - Radio 12 Volt Battery or Memory Wire
  • Black - Radio Ground Wire
  • Orange/White - Illumination Wire of Aftermarket Radio
  • White - RCA to Left Front RCA Output of Aftermarket Radio
  • Gray - RCA to Right Front RCA Output of Aftermarket Radio

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features


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Specifications & Details


Harness Features
Main Harness Function
Install a Car Stereo & Retain the Factory OEM Amplifier
Premium Harness Features
Factory System Amplification
Amplified
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

70-5603

Weight:

0.25lbs

Internal SKU:

met-705603

Internal Product ID:

12671

Customer Ratings & Reviews


Metra 70-5603 Wiring Harness thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
4.7
Value
4.7
Features
5
Design
4.7
Usability
4.7

Customer Reviews

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Very Happy!

We really like this radio, had some difficulty figuring out the wiring but the folks at Sonic were absolutely great at sorting it out. The customer service was top notch.
Martin

By Martin on October 1, 2014

29 found this helpful


This product solved my problem

I have a 1998 F150 Extended cab Silver Anniversary Special that I bought new. I finally decided to upgrade the audio system with a Pioneer Bluetooth Radio. I ordered or purchased three separate wiring adapters that were suppose to work for this conversion but the did not. This truck had a separate power amp that was not in the original radio. I called Sonic and their technician told me I needed the Metra 70-5603. I ordered it and the installation was easy and the new receiver works as advertised.

By Oldtucsonjack on February 2, 2015

26 found this helpful


Easy!

This made the installation of my Dual XDVD176BT so easy and the best thing is SE gives it to you free with the purchase of the receiver. Thanks, Sonic Electronic.

By BRENTON on September 15, 2020 Checkmark Icon Verified purchase

15 found this helpful


By Che on March 5, 2024 Checkmark Icon Verified purchase

10 found this helpful


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Save up to 10 different vehicles in your garage

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Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.