i can say from experience using the stock wiring harness to wire the stock ignitor got me a big fail. i think a ground connection needs to be made somewhere taht was originally made at the stock ecu.......anywho the bp one fired right up, so i didnt feel so r-tarded.....
just as fyi, im still blowing out spark on a .020 gap, stock coil, and bp ingiter at full dwell (5.0ms) new disty cap rotor, ngk plugs and ngk wires. it blows out around redline quiet often at 20psi. i still have yet to fix the problem

was thinking of going with a different coil, these mitsu igniters are said to be good up to 35psi on low dewll