GX - 2nd Gen (2010-2023) Discussion topics related to the 2010 + GX460 models

Wiring dashcam/detector to always be hot with an adaptor....has anyone done this?

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Old Mar 29, 2026 | 03:14 PM
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Default Wiring dashcam/detector to always be hot with an adaptor....has anyone done this?

2023 GX460

I have a maxcam360 tapped into my auto dimming mirror, it's a combo dashcam and radar detector. Works great haven't had any issues I have it mounted to the rear view mirror.

Someone bopped me the other day, just some scratches that easily polished out but still if it were worse my dashcam is worthless because the "parking mode" doesn't do anything if it's not connected to a source which is always hot. Apparently there is an adaptor, dongar is the one I was looking at, where I can make it always hot with the mirror and if someone bumped me it would start recording.

I'm assuming battery drain would be the only con here but how bad is it, if I leave my truck parked at the airport for a few days am I coming back to a dead truck? Has anyone else done this and have any insight, anything else I'm missing?

Thank you sincerely
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Old Mar 29, 2026 | 05:55 PM
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...

Last edited by ASE; Mar 29, 2026 at 05:57 PM.
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Old Mar 29, 2026 | 05:56 PM
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... what is the power draw when in standby mode ? ... Watts = ? ... or ... Voltage (Volts) and Current (Amps) ?
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Old Yesterday | 08:03 AM
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My camera with parking monitor is hard wired to both always hot and switched. I ran the cable down the pillar. I don't remember which fuses I tapped into but I can check if anyone needs it. Most people use the overhead console though.
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Old Yesterday | 10:12 AM
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Originally Posted by ASE
... what is the power draw when in standby mode ? ... Watts = ? ... or ... Voltage (Volts) and Current (Amps) ?
Please excuse my ignorance on this, I assume this would be something in the documentation as to how much power it would use in "parking mode" waiting for motion or vibration to kick it on but unfortunately it's not. All I could find is that the unit uses 12v when fully running.
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Old Yesterday | 10:14 AM
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Originally Posted by NewB2Lexus
My camera with parking monitor is hard wired to both always hot and switched. I ran the cable down the pillar. I don't remember which fuses I tapped into but I can check if anyone needs it. Most people use the overhead console though.
Thank you for the reply, apparently with the mirror basic tap it's not always hot but with this dongar adaptor it will be.

You haven't any issue with the battery having it constantly hot? Is your cam always on with the car off or only when it detects something?
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Old Yesterday | 11:13 AM
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... good reference for parasitic draw ... NOCO web site ...

https://no.co/support/parasitic-battery-drain

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Old Yesterday | 12:55 PM
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Originally Posted by Francis K
Thank you for the reply, apparently with the mirror basic tap it's not always hot but with this dongar adaptor it will be.
You haven't any issue with the battery having it constantly hot? Is your cam always on with the car off or only when it detects something?
It is motion activated and the adapter has a low voltage cutoff to make sure the battery is not getting fully drained (11.6v).
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