do the parking lights come on with ignition ? i've done rev counter fix putting a diode in line to stop reverse voltage on second click of the key when clock warning bulbs come on the little parking lights are on .i forgot to check before hand .
no 6 cable on mine has stable 12v not no2 .so i put diode on cable 9 then linked cable 6 to the non return end of cable 9 it is the last bit of your fix i cant understand any diagram please