Parasitic Draw Test
WARNING: This page is about a different car, the 2000 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.
Connect ammeter to negative battery cable according to tool manufacturer's instructions. With all accessories off, doors closed and key out of ignition, current drain should be less than 50 milliamps. To locate the cause of current drains greater than 50 milliamps, remove fuses one at a time until current draw is within specification. Repair appropriate circuit, and retest system operation.