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Metra Electronics 70-7903 Wiring Harness for 2001-Up Mazda Vehicles, Apple

Metra Electronics 70-7903 Wiring Harness for 2001-Up Mazda Vehicles, Apple

Q: Will this work on a 2005 Mazda 3 and do the colors of the wire match with the factory wire colors in order?

The wire colors corresponded pretty closely as far as arrangement order in the harness itself. I cannot say if it will work in the Mazda 3 because I installed in a Mazda 5.

Q: Do these colors really match, the power wire on my master plug is red but on the harness it’s yellow, does that mean the yellow is my power wire?

No yellow is so the radio will hold its memory. Look it up on YouTube to find the correct wire positions.

Q: Does this include 1p and 1n wires for the swc to work?

When connecting steering controls you will need to connect to the factory side of the wiring harness. These pins are not on the 70-7903 harness.

Q: Does this fit a 2003 Mazda 6?

The correct kit to install an aftermarket radio in this vehicle is the 99-7523S. Which contains the harnesses and dash plastics.

Product ID: 3557426

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Details

Brand
Metra
Material
Copper (PVC)
Item dimensions L x W x H
7.5 x 4.5 x 1
Item Weight
1.4 Ounces
Connector Type
24-pin

⚡Fast plug-and-play install

🎨Color-coded wiring for easy hookup

🔌24-pin factory connector

Frequently Bought Together

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Description

🔧 Upgrade your ride’s sound system in minutes—no hacks, just pure plug-and-play power!

PLUG PLAY POWER - Skip the wire cutting—connect directly to your Mazda’s original radio harness for a seamless install.
TAILORED FOR MAZDA - Compatible with all 2001 and newer Mazda models, ensuring perfect fit and function every time.
COLOR CODED CLARITY - Simplify your aftermarket radio hookup with clearly marked wires—no guesswork, no hassle.
LIGHTWEIGHT COMPACT - At just 1.4 ounces and 7.5x4.5 inches, it’s easy to handle and install without bulk.
RELIABLE COPPER PVC BUILD - Durable materials guarantee long-lasting performance and stable electrical connections.

The Metra Electronics 70-7903 Wiring Harness is a precision-engineered adapter designed for 2001 and newer Mazda vehicles. It enables fast, no-cut installation of aftermarket radios by connecting directly to factory radio connectors with a 24-pin plug. Featuring color-coded wires for easy hookup and constructed from durable copper and PVC, this lightweight harness ensures a reliable 4-speaker electrical connection, making your car audio upgrade effortless and professional.

Specifications

Brand	Metra
Material	Copper, Polyvinyl Chloride (PVC)
Item dimensions L x W x H	7.5 x 4.5 x 1 inches
Item Weight	1.4 Ounces
Connector Type	24-pin
Recommended Uses For Product	Car
Manufacturer	Metra Electronics Corp
UPC	086429084739
Global Trade Identification Number	00086429084739
Item Weight	1.4 ounces
Product Dimensions	7.5 x 4.5 x 1 inches
Item model number	70-7903
Is Discontinued By Manufacturer	No
Warranty	30 days
Weight	0.15 Pounds

Have a Question? See What Others Asked

Will this work on a 2005 Mazda 3 and do the colors of the wire match with the factory wire colors in order?

Do these colors really match, the power wire on my master plug is red but on the harness it’s yellow, does that mean the yellow is my power wire?

Does this include 1p and 1n wires for the swc to work?

Does this fit a 2003 Mazda 6?

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