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Metra 70-9003 Wiring Harness

Install a new car stereo in select 2000-2018 vehicles from BMW, Mercedes-Benz, Pontiac

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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-709003
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$6.99

 with warranty
4 payments of $2

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Description


Metra brand icon

Authorized dealer

Product Features:

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 (-)
Note:

This harness does not provide accessory power. The included Red wire will need to be run to the fuse box to supply accessory power to the aftermarket radio. A brass fuse tap is provided to assist you in tapping into the fuse box. If you prefer a wiring harness that will provide this function for you please visit metraonline.com for a harness that has accessory power support.

Compatible Vehicles


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

The vehicle you have selected 2021 Jeep Gladiator is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Harness Features
Main Harness Function
Connect/Install an Aftermarket Car Stereo
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

70-9003

Weight:

0.25lbs

Internal SKU:

met-709003

Internal Product ID:

12418

Customer Ratings & Reviews


Metra 70-9003 Wiring Harness thumbnail image

5 star
80%
4 star
0%
3 star
20%
2 star
0%
1 star
0%



Durability
4.5
Value
4.5
Features
4.5
Design
4.5
Usability
4.5

Customer Reviews

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Good procuct

Not much to comment on except works like it should. Is color coded,

By Randall on December 8, 2013

39 found this helpful


harness

the harness was wrong for a bmw 325 i 2005 it didnt enter

By Luis on November 19, 2015

26 found this helpful


Great Price

This harness was a better price at Sonic then my local store awesome

By G-Force on May 17, 2017

24 found this helpful


Works great

Used this harness for my E39 BMW. Works great. A must have.

By Kevin on June 6, 2016 Checkmark Icon Verified purchase

21 found this helpful


Great value and quality

If it was the right one would have been perfect

By Anthony on June 12, 2025 Checkmark Icon Verified purchase



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  • 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.