Cigarette lighter socket: always powered?

[YvesGr]

I noticed that the cigarette lighter socket in the dashboard is always under power. I fitted a usb-adapter to power a nav system and the power indication light is always on, also if i switch off the engine and remove the car key... normal?

If normal, cou’d it drain the car battery as the nav system does not switch off


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[Loz]

Yes normal.
unplug adaptors when leaving the vehicle for long periods of time to avoid draining the starter battery.

 

[Stoneybroke]

I've wired a socket that does switch off when the ignition is off. It also avoid wipes dangling everywhere. I just used a spare fuse slot that was switched live.

 

[Wesel]

I've wired a socket that does switch off when the ignition is off. It also avoid wipes dangling everywhere. I just used a spare fuse slot that was switched live.

Where did you fine this spare slot ? I thought there was none. Could you give some more details about this connection? ?

 

[WelshGas]

Where did you fine this spare slot ? I thought there was none. Could you give some more details about this connection? ?

You can use these.

2 x Add A Circuit Piggy Back Fuse Tap Mini Blade Fuse Holder ATM ATP 12V | eBay

These fuse holders turn 1 slot into 2 which allows individual protection for each circuit. 2 fuse slots. Suitable for mini blade fuses. Wire length: 120mm. Includes crimp connector for easy installation.

www.ebay.co.uk

 

[Wesel]

You can use these.

2 x Add A Circuit Piggy Back Fuse Tap Mini Blade Fuse Holder ATM ATP 12V | eBay

These fuse holders turn 1 slot into 2 which allows individual protection for each circuit. 2 fuse slots. Suitable for mini blade fuses. Wire length: 120mm. Includes crimp connector for easy installation.

www.ebay.co.uk

As I had the insulation in the engine hood eaten by weasels, I plan to install an ultrasound system. Which ? I do not know yet. Is there a best place to connect such a device in the engine compartment?

 

[Loz]

As I had the insulation in the engine hood eaten by weasels,

Haha didn’t see that coming

There is another fusebox by the battery.

 

[Stoneybroke]

Where did you fine this spare slot ? I thought there was none. Could you give some more details about this connection? ?

Have a look at these dash cam posts. I used the same piggy back connections others have recommended.

T6 Fuse number for dashcam

Can anyone suggest a sensible fuse for a switch 12v supply for dash cam? I need it to be one of the fuses in the centre dash fuse block as that is where I have routed the cable and I don't want to reroute it to the side panel. (can't attach photo as it says waiting for moderator....). On a...

vwcaliforniaclub.com

 

[Wesel]

And for the connection of the negative wire? On any screw connected to the body?

 

[Stoneybroke]

And for the connection of the negative wire? On any screw connected to the body?

I ran a wire under the carpet to the seat fixing, but someone else found a suitable screw in the fusebox area behind the bottle holder.

 

[WelshGas]

I ran a wire under the carpet to the seat fixing, but someone else found a suitable screw in the fusebox area behind the bottle holder.

Agree, there are screws under the dash that will give you an earthing point. There are also some holes in the metalwork near the fuse holder. I just used a suitably sized screw in one of those. Works.