Srt6exy; Do not disbelieve your resistance measurements; They are telling you something.
Read post 8 above and the one linked to by M60A3Driver.
Not easy to grasp, but I'm thinking the answer to your problem is in those posts.
I totally get the difficulty of using the digital service manual. You can find paper service manuals on ebay. I bought a set a couple years back. Get the 2005 paper if you can find it as it will have SRT6.