Some time with a multimeter will give you alot of answers. My M240 just went to 150 today, so can't give you much more than this diagram & Fuse Guide I've come across.
F46 appears to be a 12v socket, this is where I would try with an add a circuit.
Last edited by Ruebarb; 06-07-2022 at 04:42 PM..
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