Paul:

Thanks.

Yes - that would make sense. The battery is dropping of fairly quickly. How many days 'til it's dead? I can't say as I normally have a Quick Disconnect attached.

I see the Open Circuit Voltage dropping quickly if I leave it attached. This is not the case of a bad battery or alternator. I strongly suspect the after-market Clifford alarm, but the test I'm using would suggest that I do not have a serious drain?

Onward.

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'91 300-SEL