MX5Ireland

hi have a hks type 1 turbo timer sitting at home so said i might aswel throw it into the car just wondering does anybody know the wire colours for the rpm and speed signal wires going into they dash cluster or the ecu. have found a thread on here it all the wiring but i cant make head nor tail outa it an thought somebody might know straight off. oh and its a 98 mk2 rs

thanks
scallan