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2023 CX-50 Turbo Premium - Viofo A129 Duo Pro Hardwiring Options?

1550 Views 9 Replies 7 Participants Last post by  RedRose23
Hi All,

I am planning to hardwire my Viofo A129 Pro Duo with the Viofo 3-wire (battery/ac/ground) hardwire kit with the fuse taps and I was wondering if anyone has performed this on their CX-50 yet? I did poke around other threads/forums and there were a few that either did the Home Link install with the adapter, the OBD II port or hardwired the dashcam the engine compartment fuse box since it is the only place with a switched fuse apparently (@LeeShadow).

I have never hardwired a dashcam before but I am planning to have parking mode enabled.

VIOFO A129 Pro Duo 4K + 1080P Front and Rear Dash Cam, 5GHz WiFi GPS Built-in, Ultra HD Dual Dashcam for Car, Sony 8MP Sensor, Buffered Parking Mode, G-Sensor, Motion Detection, WDR, Loop Recording
https://www.amazon.com/dp/B07RXQJ148?psc=1&ref=ppx_yo2ov_dt_b_product_details

VIOFO HK3 ACC Hardwire Kit for A129, A129 Plus, A129 PRO, A129 IR, A119V3, Enables Parking Mode, Low Voltage Protection
https://www.amazon.com/dp/B07JQ1JYPJ?psc=1&ref=ppx_yo2ov_dt_b_product_details

BioFuse 12V Low Profile Mini ATT 20 Piece Automotive Car Fuse Assortment and Holders Set (2 Add-a-Circuit Fuse Tap Adapters, 18 LP-Mini Blade Fuses + Fuse Puller) 2A 3A 5A 7.5A 10A 15A 20A 25A 30A
Amazon.com: BioFuse 12V Low Profile Mini ATT 20 Piece Automotive Car Fuse Assortment and Holders Set (2 Add-a-Circuit Fuse Tap Adapters, 18 LP-Mini Blade Fuses + Fuse Puller) 2A 3A 5A 7.5A 10A 15A 20A 25A 30A : Automotive
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Did that end up being the proper fuse tap size? Size of fuse tap, not amps.
Did that end up being the proper fuse tap size? Size of fuse tap, not amps.
Apologies for the late reply. Yes, the fuse tap seems to be working fine in the car. I haven't installed or hardwired the dashcams yet but I may get to it at some point.
I have a 2023 CX-50 Turbo Premium (did not upgrade to the frameless mirror at the time of purchase as the stock mirror is very similar, just with a slight bezel w/ the buttons on the bottom side of the mirro). I can confirm that the Dongar dongle is compatible with this trim line (and up I presume). Specifically, it's the dongle for the frameless mirror with the white connectors.

Automotive lighting Hood Motor vehicle Automotive mirror Automotive design


The dongle can be found here: Dash Cam Power Adapter (for MAZDA Frameless Mirrors)
Or here on Amazon, which is where I bought it from: https://www.amazon.com/gp/product/B082ZSFQ8C

The dongle comes with 2 additional short cables, one with a USB-A connector to mini USB connector and the other with a USB-A connector to a micro USB connector. It made for an easy installation of my Viofo A129 Plus 2k camera, which has a mini USB input. Just undo the plastic covers surrounding the mirror. Unplug the white connector and connect it through the dongle. The dongle white connector part (in the photo above) I was able to stuff inside the plastic covers. The female USB connector part of the dongle (black part at the bottom of the photo above) I have coming out of the mirror opening of the plastic cover. I didn't want to take a chance damaging it trying to cram it in the plastic cover.
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I have a Viofo and wired using the dongle to my homelink mirror. Very clean and seamless. Install was quite easy, just a bit fiddly (tight spaces).
Can anyone explain to me how to separate the 2 plastic pieces attached to the windshield? I see no place to use a pry piece of any kind. I have the 2023 TPP with homelink frameless and want to get the dongar hookup install my dashcam, but can't figure out how to get it open to do so.
They just pull apart sideways. Get a pair of rubber gloves (for the friction) put both hand's fingertips on one side, press against it and jerk it away from the other side. See pics here: (12) Where you can get power for Dashcam/Radar Detector (Cars w/Sunroof and/or Autodim mirror) | Mazda CX-50 Forum (cx50forums.com)
They just pull apart sideways. Get a pair of rubber gloves (for the friction) put both hand's fingertips on one side, press against it and jerk it away from the other side. See pics here: (12) Where you can get power for Dashcam/Radar Detector (Cars w/Sunroof and/or Autodim mirror) | Mazda CX-50 Forum (cx50forums.com)
Thank, ,will give it a go this weekend.
Hi all, I don't have a CX-50 yet but do have some experience with hardwiring various dash cams on other vehicles. Just wanted to point out that regardless of where you are tapping in, it's probably a good idea to make sure your setup will provide sufficient current for your camera setup. I've seen some multi-camera systems with screens, gps modules, etc. that require 3.0A, and many hardwire kits that are rated for less than that (~2.3A). I've run into an intermittent power problem that I was able to resolve by choosing a hardwire kit (12V to 5V step down) with a higher current rating.

And of course, the dash cam is the last thing you want with a flaky power connection. Just throwing that out there. HTH
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Hi all, I don't have a CX-50 yet but do have some experience with hardwiring various dash cams on other vehicles. Just wanted to point out that regardless of where you are tapping in, it's probably a good idea to make sure your setup will provide sufficient current for your camera setup. I've seen some multi-camera systems with screens, gps modules, etc. that require 3.0A, and many hardwire kits that are rated for less than that (~2.3A). I've run into an intermittent power problem that I was able to resolve by choosing a hardwire kit (12V to 5V step down) with a higher current rating.

And of course, the dash cam is the last thing you want with a flaky power connection. Just throwing that out there. HTH
I plan to use the dongar 12v to 5v usb converter made for my frameless mirror.
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