Bad news... My battery discharged to 1.8A!

So when I set my meter to milliamps, disconnect my + on the battery and put my meter between the lead and the battery terminal, what should it read?

Right now, it's reading 16.0. I tried pulling a few fuses, and disconnecting the glow plugs, but everytime I took a reading, it increased! I'm up to 21.1 now!

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'90 300SE --- 173k miles --- (Odometer just stopped working!)

'85 Cali 300D --- 193500 miles --- (Second one) Sold Nov '10

'82 300TDT --- 236,xxx miles --- (My first one) Sold July '09