M8 2012 proclimb gauge problem

[BENBOU12]

Hi i have a 2012 m800. the gauge stop working the backlight off it still works. i tried another gauge and it works juste fine so not fuse related. i then open the gauge and i can see slight corosion on the board but its under the white plastique part of the gauge and the screw are from the back off the board and the board seems to be glued or plastic welded to the back part of the gauge. Does anyone have an input on how to seperate the 2 so i can unscrew the part and clean it ? thx in advance !

 

[BENBOU12]

Found the answer after serching through the forum here is the link if someone as the same problem. https://www.snowest.com/forum/threads/separating-the-gauge-from-the-plastic-backing.323320/