About the Metra 40-HD10L Antenna Adapter
What's in the box:
- Antenna adapter cable (has a female Honda snap-lock antenna jack on one end and a male Motorola plug and a blue bare wire on the other)
Other info:
- MFR # 40-HD10L
- Item # 12040HD10L
- California customers: Please click here for your Proposition 65 WARNING.
More details on the Metra 40-HD10L Antenna Adapter

Product Research
Features
Mazda/Honda Antenna Adapter: This antenna adapter allows you to connect an aftermarket receiver to a Mazda or Honda factory antenna lead.
Note: A blue wire is attached to the antenna adapter. When installing the adapter, the blue wire should be connected to the antenna turn-on lead of your new head unit.
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Customer Q&A
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Connected the new radio to the factory antenna with ease.
Tim from Saint Louis, MO