J&M Isolated RCA Input Amplifier Adapter Harness for Harley HK Radio
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This is a plug-and-play, isolated, RCA input adapter harness to connect
the 2006-2012 Harley HK radio, to the RCA inputs of most high-powered
12v automotive type audio amplifiers.
Use this harness to bring the amplifier input gain controls into a
useful range of adjustment, when setting up and tuning a
high-performance Bagger audio system.
This custom built J&M adapter harness will also remove the “speaker
fault” condition when running the Harley HK radio diagnostics &
eliminate any possible DC current that might otherwise travel between
the HK radio and the amplifier.
Amplifier gain control adjustment guidelines also included.