How to get a power cable from the engine bay to the trunk? (For a subwoofer)

Audio, ICE, Speakers, Head Unit, CD, CD Multi changer. If you have a question about any Citroen C3 related Audio, then this is the place.

Please indicate if there is a Citroen CD multi-changer, drawer or cubby under the CD/Radio, if there is the Navigation unit, CD or Radio options.
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Only post questions about AUDIO equipment in this topic please. In car entertainment, ICE, Android Auto, stereo and sat-nav are all welcome here
My Name: Whatever6

Posts: 3
Joined: Fri Feb 21, 2020 10:07 am
Model: C3 2013-2017 Facelift A51
Year: 2015 (15)
Engine Size: I dont know
Fuel Type: Petrol
Mileage: 80000
Trim Level: VTR+
Gearbox: Manual 5 speed
LHD or RHD: LHD (Europe)
Engine name: EB2F PureTech 3-Cylinder (82 PS)


I want to install a subwoofer in my trunk, but I have trouble with getting a power cable from the engine bay to the trunk, as I don't find any place to fit the cable through.

My citroen C3 is build in 2015. I already have searched the web but all I found was this post: questions-about-audio-ice-in-a-citroen- ... -t611.html
But it did not help at all.

Here are some pictures of where I searched for a way through:

This is on the driver site and I tried to unscrew the plastic clip, but behind the clip is just plane metal and no hole:
This is the glove compartment it has some sort of cover which I can remove, but again no visible way to get to the engine bay:
This is the engine view of the battery which I want to reach, but everything is so tight I can not even see where all the cables go:
Does anyone know how to find the best way to get to the engine bay? I did not know that it would be so difficult to reach the battery and it is my first time I try something like that.
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