Before looking at wire colors, you must identify your generation. The "LX" platform has two distinct eras regarding electronics.
Incorrect wiring can lead to:
This article provides model-year-specific wiring diagrams, explains the difference between amplified and non-amplified systems, and covers common pitfalls like CAN bus interfaces. Let’s cut the confusion and get your sound system working. Chrysler 300 Radio Wiring Diagram
This is classic "wrong switched wire" syndrome. You tapped a wire that stays hot all the time. On 2011+ models, this is inevitable if you bypass the data module. Return to stock or install a CAN-Bus interface. Before looking at wire colors, you must identify