Greetings from the UK need speedo sensor wire color

[Civicity]

Hi guys, I am trying to install sat nav in my 97 ek and I need to know the colour of the wire that sends the speed signal to the speedometer so I can tap into it for the head unit. Can any one help please?
Thanks guys

 

[charles_00Civic]

check out the "sticky worthy" thread in this forumn.