when you get fault code from CO pot (code 59) it probably means the potentiometer is out of range (400-2800 ohm). buy a simpe electronic potentiometer, it costs nothing comparing to original ford. then set the co pot around 1500ohm and check fault codes. it should be fine .if not, the wiring is wrong. had the same problem.

wire from 11 on edis runs where exactly on the rev counter? i have to connect it cause i get only half readings.