pmanliu

Hello,

Does anyone know if there is a constant 12v, or any fuses that have a 12v output? I've tested a bunch near the driver's side panel and they all seem to be 5v. I'm currently in the middle of installing a dash cam. Any help would be greatly appreciated, thanks in advance!

sunnyp1227

Are you sure they are 5V?
I think they are all 12v.....

pmanliu

I can take a second look but i tried all the fuse slots that were currently in use and the voltmeter read 5v. I also tried to power my dash cam which requires a 12v and it wouldn't turn on.

Thanks to a thread on here (regarding hardwiring the radar), i found a ACC 12V in the fuse box but still missing a constant 12V. Does anyone know if the 2013 A6 has terminal posts under the steering wheel similar the some prior models? Unfortunately I won't have access to the car until the weekend otherwise I would check.

Thanks again for your help!

sunnyp1227

I think all the car batteries are 12.6V


I wrote a post before about hardwire DIY, you might be interested in.
https://www.audiworld.com/forums/sho....php?t=2846319

When you read the voltage from the meter, where did you put your negative? Make sure you put it on a good grounding point (I connected to the place I ground my wire) Don't connect it to somewhere that has paint on it.


I think what you need to do is find a fuse spot which is off when car is turned off. On when you enter the car...etc


I know people who get the dash cam also purchase some power supply to prevent the battery drain. Because the some high-end one has the feature of recording when your car is parked (G-force detection). That requires the battery to be always on.

pmanliu

Yep, the car battery is 12v but the fuses from the box seem to be giving off 5v. I'll try the one if your DIY and see if its 12V. As for grounding point, I am using the same one as you in your DIY.

I need a fuse spot that is on 24/7. This is so my camera can finish the last video it was recording then auto power off (the camera itself does not have an internal battery capable of continuing the video recording). Essentially what i did in my other vehicles with the camera is install 2 fuse taps and hook them up to the camera power wires. Will take a look this weekend to see if the Audi has any terminals under the driver side and report back...

pmanliu

Quick update -

I stand corrected! Took another look at the fusebox and it appears there are both 5v and 12v fuses. Additionally was able to find a constant 12v (while looking at the fusebox, it's the bottom left corner fuse) to power the dashcam while the car is off. Dashcam has been wired up, and I just need to pick up two fuse taps. Afterwards will post some pictures in case others are interested. Thanks again for everyone's help!

Brou4164

Sorry to revive a thread that's almost 5 years old, but I'm struggling with a similar scenario. I've got a '14 S7 & I'm trying to hardwire a BlackVue D750S with their Power Magic Pro. I cannot find an ACC & a constant fuse to tap. any/all help is greatly appreciated!

bpd

Should be close to this install? Look at your owner manual for fuse assignments.

tenspeed

Here's how I installed a D650. Power comes from the passenger side fuse box and there's room for the PMP.
https://www.audiworld.com/forums/a7-.../#post24878520