Hi meed some help,iv older mk2f clocks with rev counter in my new mk2f coupe & whenever i go over 2000rmp the idiot light n buzzer kicks in!!iv been told its coz i dont have a 2 oil pressure  system,one high & one low pressure as the newer models sensor does both!!!

So iv done so reseach n i can break the high pressure circuit on the clocks it seems but my question is how do i find it n is there a easy way??

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