2006 K12 Micra Interior Fuse Box Earthing Points

Hello Everyone,
I am in the process of installing a auxiliary power pack to power a dashboard camera. In order to install the product I will need to hardwire the power supply to the auxiliary power pack. I would like to ask if anyone will know the where the nearest suitable earth point would be to the interior fuse box located on the dashboard on the driver side.

Many thanks
Pip.
 
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