Hardwiring from rear fuse box - dashcam
Thread Starter
Newbie
Joined: Mar 2017
Posts: 8
Likes: 1
C63 Saloon (W204)
Hardwiring from rear fuse box - dashcam
Hey.
I've just hardwired a dashcam from the fusebox in the boot (trunk) of my W204 saloon.
All is great, but it's not turning off when I switch of the ignition. I've run the cam from the rear power window fuse as I figured they only work when the ignition on, but the cam still seems to.
Am I being stupid here? Tell me if you need any more info and thanks in advance.
I've just hardwired a dashcam from the fusebox in the boot (trunk) of my W204 saloon.
All is great, but it's not turning off when I switch of the ignition. I've run the cam from the rear power window fuse as I figured they only work when the ignition on, but the cam still seems to.
Am I being stupid here? Tell me if you need any more info and thanks in advance.
Super Member
Joined: Oct 2015
Posts: 723
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From: Long Island
'16 CLS63S
Thread Starter
Newbie
Joined: Mar 2017
Posts: 8
Likes: 1
C63 Saloon (W204)
Super Member
Joined: Oct 2015
Posts: 723
Likes: 115
From: Long Island
'16 CLS63S
yes. cigarette lighter only has power when the ignition is on.
keyless go ALWAYS has power
Thread Starter
Newbie
Joined: Mar 2017
Posts: 8
Likes: 1
C63 Saloon (W204)
Super Member
Joined: Oct 2015
Posts: 723
Likes: 115
From: Long Island
'16 CLS63S
if you need a constant power source just use a multimeter to find one.
if your unfamiliar with them, follow these easy steps
turn the car off
remove a fuse
stick the positive end of the meter into the fuse slot
find a grounding source for the negative end of the meter
if the meter reads 12+ volts then you found your source
but that aside, sounds like you needed a switched 12v source which would be the cigarette lighter fuse. good luck
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Junior Member
Joined: Mar 2018
Posts: 22
Likes: 1
From: NJ USA
2014 ML350 4MATIC
Hard Wire connection tapped to Fuse 151. A BlackVue PowerMagic Pro should be able to be hardwired similarly. (installed in ML350 - fuse box located under rear right passenger seat)
***
This is how I hard wired my dash cam. I have since replaced the ground connection with a larger wire washer.
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