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I believe you can take fused power from the A pilar. Search for the pdf install file of part number BCKA-V7-210. It is the auto dimming mirror and in the pdf includes how to get power for the mirror for models without it. That could work.
Googling “BCKA-V7-210 pdf” I found the manual easily
 
Wanted to thank someone here (forgot who now) who mentioned using the ODBII port for power for dashcams. I've ordered this and it's got to be much easier than removing pillar trim, mirror housings and tapping into wires in tight spots. I'm also attempting to use this with an ODBII splitter so I can add another device (for tracking my kid's driving style for a while)

 
New member here, just got my 2022 CX-30 GS last week.
I bought a Thinkware 2ch dashcam and was just reading upon everyone's experiences with dashcam installations.
and realized there was an OBD cable that Thinkware sells that allows me to have parking mode without hardwiring, will go that route in the next week or two.

Thank you all for the information put forth in this thread!
 
That may be a good solution. But it would be nicer to tap into the fuse that powers those usbs rather than into the usb itself. Routing the wire to the internal fuses box is also easier. But, I couldn't locate that fuse in the compartment, seems as an under the hood fuse. But, maybe other fuses in the car itself are powered off after some time as that usbs (possible candidates: F9 or F10 - power windows, F11 - power seat, F18 reverse light....) worth checking. I'll try and test this hypothesis.
 
That may be a good solution. But it would be nicer to tap into the fuse that powers those usbs rather than into the usb itself. Routing the wire to the internal fuses box is also easier. But, I couldn't locate that fuse in the compartment, seems as an under the hood fuse. But, maybe other fuses in the car itself are powered off after some time as that usbs (possible candidates: F9 or F10 - power windows, F11 - power seat, F18 reverse light....) worth checking. I'll try and test this hypothesis.
 
Ok so for the hk4 from viofo, tapping the white wire does work. Just make sure the tap actually has continuity with both wires or it wont work. (Tap didnt cut the wire properly when pressing the metal thing in for me when I did it the first time around)
 
Apologies for raising this old thread. I found a switched 12v connection in the center console. Loses power a few seconds after the car turns off. The connection is for the Navigation/USB module. I'm not an electrician so I don't know loads and stuff, but it should work for anything minor. In the process of creating a small plug and play harness. Don't want to void my lease. Will update once the harness is done

https://www.mazda3revolution.com/attachments/img_2325-jpg.280942/
 
Apologies for raising this old thread. I found a switched 12v connection in the center console. Loses power a few seconds after the car turns off. The connection is for the Navigation/USB module. I'm not an electrician so I don't know loads and stuff, but it should work for anything minor. In the process of creating a small plug and play harness. Don't want to void my lease. Will update once the harness is done

https://www.mazda3revolution.com/attachments/img_2325-jpg.280942/
any updates on this harness?
 
TBH, Its a DIY thing. Here's the link to the connectors: 1.5 Series Auto Central Control Panel Male Female Docking Socket Electric Wire Connector For GEELY Make sure you buy both male and female connections. It does come with the pins. I simply looked at the connection in the car and mirrored the configuration. I purposefully kept it as short as possible and wrapped all the wires in sheathing to make it nice and neat. I've only done a rough test with an electrical tester to make sure the nav box still works and to see if I'm getting the correct voltage. Just waiting for outside to get a bit warmer to fully test it
 
Wanted to thank someone here (forgot who now) who mentioned using the ODBII port for power for dashcams. I've ordered this and it's got to be much easier than removing pillar trim, mirror housings and tapping into wires in tight spots. I'm also attempting to use this with an ODBII splitter so I can add another device (for tracking my kid's driving style for a while)

Hi, just wanted to ask how the OBD2 board power adaptor worked for you? Did you manage to get parking mode working with it?
 
Hi, just wanted to ask how the OBD2 board power adaptor worked for you? Did you manage to get parking mode working with it?
No this did not work for me. It kept the power on way too long after the key was turned off for my comfort level. I ended up running a 15' long USB cable from the dashcam to the center console - tucking it in all along the way. It turns off when key is off.
 
New member here, just got my 2022 CX-30 GS last week. I bought a Thinkware 2ch dashcam and was just reading upon everyone's experiences with dashcam installations. and realized there was an OBD cable that Thinkware sells that allows me to have parking mode without hardwiring, will go that route in the next week or two. Thank you all for the information put forth in this thread!
May I ask if you had success with the OBD2 port power suggestion? Did that manage to activate parking mode for you?
 
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