okay ... i look around for this on honda tech but couldn't find anything about my problem .... first i swap out my friends d15 to a d16y8 .... everythings pluged up and working fine using an obd2 dizzy but the problem is that this dizzy has 8 wires and the obd1 has a total of 9 wires ... and i knoe the 9th wire is the rpm signal ... i was wondering which one of the wire on the obd2 dizzy is the one for the rpm .... this problem has been bugging me ... pls someone help me out