300SL drains battery?

[Toxicant]

I've got a '90 300SL that kills the battery in about two days. I did the test light between the battery termal and the cable and pulled every fuse in the large fuse box under the hood and the small one in the trunk to no avail.

I didn't put a DVOM on it but from the looks of the test light it much be at least a 15 amp draw. Is there another fuse panel in the car somewhere?

Anyone have any ideas what could be drawing so much juice and not be fused?

Thanks in advance!

Tox!