i want to use a brake light switch in the brake pipe using a sierra T peice some-one gave me one off an old mini but it's the wrong thread so I need a metric threaded one any ideas what vehicle uses a fluid controlled switch
Tony

I got mine from merlinmotorsport.co.uk,it was about 8 quid delivered

try vw golf

Europa spares sell them with metric threads. £7+VAT I think.

mni tnx vw golf it was £5.18 inc vat