The drain location is typically inside the passenger compartment, somewhere near the firewall behind the glove box or under the dashboard. It's a small tube designed to let water drip to the ground outside the vehicle. It's usually not easily visible without some disassembly.
If you suspect a problem with your AC drain (e.g., water leaking inside the car), you should:
1. Check your owner's manual: It *might* have a diagram showing the location, though it's unlikely to be very specific.
2. Search online for "2004 Chrysler Pacifica AC drain location": You may find forum posts or videos from others who've had similar issues.
3. Consult a mechanic: A qualified mechanic will be able to locate and inspect the drain for clogs or other problems.
Trying to locate it yourself without proper knowledge can lead to accidental damage. It's safer to start with the owner's manual and online searches before attempting anything yourself.