2018 Mazda 3, Speaker, Remote, Reverse Wiring
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=145801
Printed Date: May 06, 2025 at 3:28 AM
Topic: 2018 Mazda 3, Speaker, Remote, Reverse Wiring
Posted By: nasenbluten
Subject: 2018 Mazda 3, Speaker, Remote, Reverse Wiring
Date Posted: November 24, 2019 at 6:33 AM
Hi first post, long time lurker, I am looking for the wiring colors for my 2018 mazda 3 non bose, I need speaker wire colors, remote, and reverse signal ( I read that the backup signal needs to be tapped at the BCM, but if there is a way to tap it in the cabin id be happy) thanks lots
Replies:
Posted By: i am an idiot
Date Posted: November 24, 2019 at 3:57 PM
What are you doing?
Posted By: nasenbluten
Date Posted: November 24, 2019 at 4:29 PM
powering my door speakers for a short run from passenger kick, getting a remote from somewhere, and getting a reverse signal for my backup camera
Posted By: kreg357
Date Posted: November 24, 2019 at 6:18 PM
2018 Mazda 3
Reverse Light BROWN (+) REAR BCM, BLUE 18 PIN CONN, PIN 10
Left Front Speaker (+) LT GREEN OR BLACK FRONT DOORS
Left Front Speaker (-) RED FRONT DOORS
Right Front Speaker (+) PINK OR WHITE FRONT DOORS
Right Front Speaker (-) GREEN FRONT DOORS
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Soldering is fun!
Posted By: nasenbluten
Date Posted: November 24, 2019 at 7:46 PM
thanks a lot, any idea of remote turn on?
Posted By: i am an idiot
Date Posted: November 24, 2019 at 9:13 PM
Left Rear Speaker (+/-) Blue - Gray or Green - Black +,- Radio in dash or Tuner above passenger kick, white 24 pin plug, pins 5 - 6 Notes
Right Rear Speaker (+/-) Brown - Lt. Blue or Red - White +,- Radio in dash or Tuner above passenger kick, white 24 pin plug, pins 7 - 8
Factory Amp Turn-on Tan + Tuner above passenger kick, white 24 pin plug, pin 10
Posted By: i am an idiot
Date Posted: November 24, 2019 at 9:15 PM
Are you trying to use the OEM camera on an aftermarket radio?
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