Well we don't have wiring diagrams for UK Foci, and things are likely to be different between RHD and LHD. I can give you this advice though, when I have problems with several seemingly unrelated electrical systems, the problem is usually earthing somewhere. You have to check all the negative connections- especially at the battery.
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Moderating everything now, let me know if I can help.
Originally Posted by the user formerly known as ZX3_Chick
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