If you are installing an aftermarket radio in your Honda Civic or Fit this combination of harnesses are all you will need.
The 17 Pin Grey connector in this combo is used to provide:
– Primary Speakers (FL, FR, RR, RL)
The 20 Pin Grey connector in this combo is used to:
– Amp Turn On for Factory AMP
– Steering Wheel Control Ground and Output
– Factory Aux Input
The 2 Pin Grey connector is used for:
– Power Antenna
– Antenna Reception
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