i got a wiring diagram followed it all, everything works only the tacho doesn't work. found the black and white cable on the dizzy and connected another wire to that brang it round and put it in wer its supposed to be on the cluster and the car turns off :S we connect that same cable to the my dads rpm tester and it displays the rpm..tried it on spare paseo cluster and same things happens...theres no cable inside the dash for a tacho its a 1996 ep91 toyota starlet..help moe