Instrument cluster backlight

The only thing that is not worlking is the backlight for clock and for all the gauges.
I know that there is a LED strip for backlight.
There is any DIY guide to fix it?
Any instruction to take the led strip apart ?
in the photo key is on position 2 and light switch is on Auto.
if i move the dimmer only the needle and the LCD become brighter or darker.
there is any fuse to check?
any help will be appreciated
cluster
cluster no light


Just joking, I have some news, there is a Mylar strip with LED and it tend to break where it joints on the socket.

open it is easy. There are a lot of video on YT.
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i take it apart and found on the socket under the Mylar cable the 2 contacts were dirty. I cleaned them with some contact cleaner and i reassembled the cluster and now it works.
i read 2 post on the forum, i will link them:
Post 1
Post 2
on taht 2 link you can find some help.
Here the photo of my cluster
Mylar Cable
socket where backlight connects
see dirt, black stuff
cluster full working
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