-1990 Crx Hf, with b16a w/ Pw0 Ecu. need to run, vtec selenoid, vtec pressue switch, knock sensor, and 2nd o2 sensor. Got plenty of skematics, but on my hf i have wires sitting in B5 and B19. One of which goes to the alternator! What do i do just depin and run the knock sensor and the Pressure switch and abandon the two existing wires? Please help, don't want to ruin stuff.