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Sony CDX-540RF - Compact Disc Changer System Support Questions

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I Need The Wiring Diagram For My Sony Cdx-540rf Cd System For My Van.
why is there a 3 prong plug for the unit in a 12+ and gnd car. where does the third wire go?

It Flashes Reset. Please Tell Me How You Reset The System?
Press the rest button with a pointed object. For an illustration, see https://www.manualslib.com/man...

I Need The Wiring Diagram For My Sony Cdx-540rf Cd System For My Van.
Knowing the wire colors would help, but I suspect there is a black (ground) red (+12V switched) and ...

Sony Cdx-540rf Instalation Guide
Hi, you can download the operating instructions here on HelpOwl -- just click the Manuals tab, click...

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