RCA Wiring Harness Wire and Connector Identification


Device LED wiring harness with callouts

Wire Function

Wire Color/Number

Notes

Auxiliary in left

Auxiliary in right

Callout number 1

Provides a red and white RCA stereo line input for audio sources, such as a CD or MP3 player.

Line out left

Line out right

Callout number 2

Provides a full-range output to an external amplifier, and is associated with the volume control.

If you are connecting to an external amplifier, you should use a ground loop isolator to ensure a clear signal.

Subwoofer out

Callout number 3

Provides a single mono output to a powered subwoofer or subwoofer amplifier.

If you are connecting to an external amplifier, you should use a ground loop isolator to ensure a clear signal.

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August 2023