Can the wire be hooked up to the system remote wire?

I have mine hooked up to the switched wire coming from factory, But i heard its better to just connect it to Constant (+)(red wire)

what is the blue wire for?

Connect it to an auxiliary power wire. I hadn't done that, and all I got were a few AM stations. Once I connected the blue wire to a red accessory wire behind my radio, all was well. Do it before you finish installation, and save yourself lots of time!

antenna adapter blue wire can I connectto where

The wire labeled ANTENNA that comes off the back of the stereo. Not every unit will use this wire.

Metra Electronics 40 Hd10 Factory Antenna Cable To Aftermarket Radio

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VT5345

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Upgrade your ride’s signal game—because your music deserves the best!

COMPACT LIGHTWEIGHT - Slim 5.1 x 0.1 x 34.3 cm design weighing just 2 grams—discreet yet powerful.
EFFORTLESS INSTALLATION - Plug-and-play setup means you’re back on the road with premium sound in minutes.
UNIVERSAL COMPATIBILITY - Specifically engineered for select Honda and Acura models to upgrade your audio experience.
OPTIMIZED SIGNAL CLARITY - 1 Ohm impedance ensures crisp, interference-free radio reception every time.
SEAMLESS FACTORY INTEGRATION - Fits perfectly into your Honda/Acura factory antenna plug—no modifications needed.

The Metra Electronics 40-HD10 is a precision-engineered factory antenna cable adapter designed for select Honda and Acura vehicles. With a 1-meter length and 1 Ohm impedance, it ensures optimal radio signal clarity while fitting seamlessly into the factory antenna plug. Lightweight and compact, this adapter offers a hassle-free upgrade path to aftermarket radio receivers, enhancing your in-car audio experience with professional-grade connectivity.

Specifications

ASIN	B000K4YOCG
AntennaDescription	Radio
Best Sellers Rank	#47,828 in Electronics ( See Top 100 in Electronics ) #143 in Car Audio & Video Antennas
Brand	Metra
Built-In Media	See specs
Color	Black
Country of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (3,414)
Global Trade Identification Number	00086429137961
Impedance	1 Ohms
Item Dimensions L x W x H	5.1L x 0.1W x 34.3H centimeters
Item Type Name	Honda & Acura Antenna Adapter
Item Weight	2 Grams
Manufacturer	METRA Ltd
Maximum Range	1 Meters
Mfr Part Number	40-HD10
Model Number	40-HD10
Number of Channels	1
Number of Items	1
UPC	086429137961
Unit Count	1 Count

Reviews

P**.

Excelente, funciono muy bien, y de facil instalacion en una ridgeline 2007

25.04.2025

J**N

I used this when replacing the head unit on an 08 Odyssey. It was a perfect fit and works well, no issues with the reception.

8.12.2023

R**T

Onéreux par rapport à d’autres produits sans marque, mais la qualité sonore est préservée. Aucun soucis pour le branchement, s’adapte parfaitement.

18.04.2021

M**H

The blue wire can fit either the blue or the blue/white coming from your deck. This works and fits very tightly.

22.12.2023

C**R

Works for my 2007 Honda crv with no upgraded nav unit, JDM model.

29.05.2025

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