I swapped the ecu twice on my 1991 to solve the problem.I did not think that I could end up with 2 bad ecu's but I did.

OK, I removed the old alarmsystem, that got me back to the origonal problem,I found that when I unpluged the Idle air control valve my relay chatering went away.
still no fire, no spark at plugs, 12v  on the blk/wht wire to the coil, 12v on the brn/wht wire to the coil and to the igniter, no voltage on the orange wire to the igniter, what direction does the current flow,
12v on the blu/blk wire to the distributor.