Where is the relay for a rear window defrost on 2005 Chrysler 300?

The relay for the rear window defroster on a 2005 Chrysler 300 is typically located in the Power Distribution Center (PDC), often called the fuse box. This is usually found under the hood.

However, there's no guarantee it's a relay. Some models might use a fuse directly, or the defroster control might be integrated into a larger module. The best approach is to:

1. Consult your owner's manual: This is the most reliable source for the location of relays and fuses. Look for a diagram of the PDC and identify the rear defroster circuit.

2. Check the fuse box diagrams: Inside the PDC cover, there should be a diagram showing the location of all the fuses and relays. Look for a fuse or relay related to the rear window defogger, rear defroster, or heated rear window.

3. Use a multimeter: If you can't find it visually, a multimeter can help you trace the circuit. Be careful when working with automotive electrical systems.

Without access to your specific owner's manual or a detailed wiring diagram for your exact 2005 Chrysler 300 model (there were variations), I can't give a more precise location. Always refer to your owner's manual first.