Originally Posted by Chip-3Door
Sorry Stu, think ive misunderstood slightly here.
So if I disconnect the "rpm output" wire on the ecu, and just take a feed off both tachos with a couple of diodes then my rev counter will work anyway as they generate the relevent spikes required by the dodgy ford tacho?
Apparently so mate... give it a try.
Your Ford tacho is watching the coil field, and the 2 amp wires are of course still connected to a coil each.
The voltage there is the same as it was on a std coil.
