Discovery 2 TD5 2002 automatic
Intermittent fault, no power outputs from wxyz feeds.
Is pin 10 c0663 (BCU) via pin 8 c0675 (XYZ Switch) the 12v supply for the wxyz outputs from XYZ Switch.
If not where does the 12v supply come from.
If it is, is this the only function of pin 10 C0663 of the...