Make sure no live wires touched the ECU - that happened to me and my ABS ECU was fried. It went loopy and was driving the abs pump all the time the ignition was on (not good).
But as the problem seems to have been caused by you (sorry!) I doubt that's it. If you run out of ideas, a decent tech will be able to solve it quickly, unless anything is actually broken.
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black