This is an Antenna Adapter commonly found on many Dodge and Jeep vehicles.
The CR20 is the reverse antenna adapter, to adapt from a motorola end back into the factory antenna style to plug into the factory stereo.
You would use this product when installing a FM modulator while using the factory headunit.
Please visit www.MetraOnline.com to use their fit guide to determine if this is the correct antenna adapter for your vehicle. Thank you.
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