i was wondering who installed a E-manage ultimate so if they can help me out for a second i'm going to install it my self and want to be sure i do the right things! after reading everything look at a lot of diagrams how to i saw that on the 4efte the injectors 1 and 3 work together and 2 and 4 so i see that on the diagram lot of people put the 1-3, 2-4 ch wires of the emu together so to read the signal (signal in ) but my question is how do you put the ch out wire to the injectors every injector individual or you use 2 ch only so you link 1-3 2-4 injectors hope someone can help me out with this ! thank you in advance !