1. The Quick Check (Most Important First):
* Use a multimeter: This is crucial. Don't rely on just a battery tester that only checks voltage. You need to measure *current* (amperage). Connect the multimeter in series with the negative battery terminal (disconnect the negative cable first!). The reading should be very low (ideally less than 50 milliamps, or 0.05 amps). Anything significantly higher indicates a parasitic drain.
2. If you find a significant drain:
* Start with the easiest things: Check all lights, interior lamps, glove box light, trunk light – are they all *completely* off? Sometimes a door jamb switch is faulty, causing a light to stay on dimly or intermittently.
* Remove fuses one by one: This is where the "shortcut" comes in. Instead of tracing every single wire, start pulling fuses one at a time (after disconnecting the negative cable!). Observe whether the amperage draw on your multimeter changes significantly after removing a fuse. A large drop indicates the parasitic drain is within the circuit protected by that fuse. This helps you isolate which system contains the problem. You might need a fuse diagram for your specific Continental model.
3. More advanced (if the fuse test doesn't pinpoint the problem):
* Amp Clamp Meter: This is a more advanced tool and much easier to use than trying to insert an ammeter in series with numerous circuit wires. It clamps around a single wire to measure current flow.
* Aftermarket Alarm/Security System: These are notorious for causing parasitic drains, especially if they're improperly installed or malfunctioning. Try disconnecting the alarm system's power supply to see if the drain is eliminated.
Important Considerations:
* Safety First: Always disconnect the negative battery terminal before working on the electrical system. Never work on a car's electrical system without understanding basic safety precautions.
* Patience: Finding a parasitic drain can be time-consuming. Be methodical and patient.
* Professional Help: If you're uncomfortable working with car electrical systems or can't find the source of the drain after trying these steps, take it to a qualified auto electrician. A professional has specialized tools and experience.
What *not* to do:
* Rely solely on visual inspection: A faulty component might not show any obvious signs of damage.
* Guess and replace parts: This is expensive and inefficient. Use a multimeter to guide your troubleshooting.
By systematically checking the easy things first and then using the multimeter to isolate circuits based on current draw, you should be able to find the parasitic draw significantly faster than by blindly searching. Remember the multimeter is your friend!