right bought a mk3 escort of shandz on here thats got ST170 enhine in, it had a graham good 8k rev gauge in but i wanna run origional clocks,

ive just switched over to DTA S60 pro managment, and need to know which wire is for the rev gauge on the back of the clocks,
and also with dat been 5vpwr signal do i need to fit a lift up resistor? as i dont want to run mk4 dash i wanna try and keep it origional looking if possible

cheers in advance
richard