normal_dave
waytoomuchwritinginposts.
I gave a link earlier in this post recommending you test the ICM using a digital multitester. Here it is again, read through and follow DougC's advice on justanswer.com, and you will be able to confirm/deny the ICM as the culprit.
http://www.expeditionportal.com/forum/threads/159696-Replacing-Gen-3-Heads-(Like-a-Virgin)-Any-Recommendation?p=2110222#post2110222
http://www.expeditionportal.com/forum/threads/159696-Replacing-Gen-3-Heads-(Like-a-Virgin)-Any-Recommendation?p=2110222#post2110222