After a few weeks' searching, I found a rear tank. It's from a '93, but the only difference is the electrical connector. Otherwise, rear tanks are the same back to '92. '90-91 have the same connector as '92-93, but the fuel line nipples are shorter. Never connect a '92-96 fuel line to a '90-91 nipple or it will be VERY difficult to remove.
For more info, read these captions:
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