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.

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.

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.

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.

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

Product ID: 159785976

Details

Brand
Metra
Connector type
24-pin
Item dimensions L x W x H
19.1 x 11.4 x
Item weight
41 g
Material
Copper (PVC)

🎵Power/4 speaker support

🔌24-pin seamless plug-in

🚗Fits 2001-2007 Mazda models

R$348

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Upgrade your Mazda’s sound game with zero fuss!

KEEP YOUR CONTROLS - Cruise control remains fully functional post-installation, maintaining your driving convenience.
TAILORED FOR MAZDA - Specifically designed for 2001-2007 Mazda vehicles, ensuring perfect compatibility and fit.
LIGHTWEIGHT DURABLE - Crafted with copper and PVC for reliable conductivity and long-lasting performance.
PLUG PLAY PERFECTION - Effortlessly integrates with your Mazda’s factory wiring for a clean, professional install.
CRYSTAL CLEAR AUDIO READY - Supports power and 4-speaker connections to upgrade your sound system without hassle.

The Electronics 70-7903 Wiring Harness by Metra is a precision-engineered 24-pin connector designed for 2001-2007 Mazda vehicles. It enables seamless installation of aftermarket radios using existing factory wiring, supporting power and 4-speaker setups. Lightweight and durable, it ensures a straightforward plug-and-play experience while preserving cruise control functionality.

Specifications

ASIN	B0002BEVXY
Best Sellers Rank	571 in Car Wiring Harnesses
Brand	Metra
Cable Type	proprietary
Connector Type	24-pin
Customer Reviews	4.6 4.6 out of 5 stars (1,708)
Global Trade Identification Number	00086429084739
Included Components	2000 & Up Mazda Power/4-Speaker Connector
Item Dimensions	19.1 x 11.4 x 2.5 centimetres
Item Highlight	Plug-and-play adapter for new head unit install, no cutting factory leads, color-coded connections, easy snap-in hookup
Item Weight	41 g
Manufacturer	Metra Electronics Corp
Manufacturer Part Number	70-7903
Material	Copper Polyvinyl Chloride (PVC)
Model Number	70-7903
Number of Items	1
Number of Packs	1
Recommended Uses For Product	Car
UPC	086429084739
Unit Count	1.0 count

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