Rocker switches.
Discussion
Have a look here:-
www.zen11896.zen.co.uk/vixen/parts/index.html
Although I'm not convinced they do come from XJ6's
www.zen11896.zen.co.uk/vixen/parts/index.html
Although I'm not convinced they do come from XJ6's

I realise you said the plastic is getting brittle, but there is sometimes no need to open them.
I had problems wit my wiper motor switch. I took it to work planning on taking it appart but one of the guys stopped me.
My mate produced a can of electrical contact cleaner spray,,, blasted the inside with a tube,,, rocked the switch back and fore a couple of times and has worked perfectly ever since. The spray might have been Inibersol or something similar, it evaporates after doing its job, (no fire risk).
Hope this helps,,,
Daza
I had problems wit my wiper motor switch. I took it to work planning on taking it appart but one of the guys stopped me.
My mate produced a can of electrical contact cleaner spray,,, blasted the inside with a tube,,, rocked the switch back and fore a couple of times and has worked perfectly ever since. The spray might have been Inibersol or something similar, it evaporates after doing its job, (no fire risk).
Hope this helps,,,
Daza
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