Metra 40-CR20 Antenna Adapter

Works with select 2002-up vehicles — female Motorola plug to snap-lock female antenna jack

Item #: 12040CR20

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Metra 40-CR20 adapter

The Metra 40-CR20 adapter lets you connect an aftermarket antenna cable to the factory radio. It has a female Motorola plug on one end and a snap-lock female antenna jack on the other. Length: 8-1/4". Item number 12040CR10 is also needed if installing an FM modulator with your factory radio. Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if this adapter is compatible with your vehicle. Warranty: 60 days.

Note: Most vehicles will require additional installation parts — please identify your vehicle if you haven’t done so, then check here for a list of parts. You can also call an Advisor for more information.

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What's in the box?

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  • 1 Antenna adapter cable (has a female Motorola plug on one end and a snap-lock female antenna jack on the other)

Product Research

Features

Overview: This item is an antenna adapter cable with a female Motorola plug on one end and a snap-lock female antenna jack on the other. The adapter is typically used to adapt a compatible factory radio to an aftermarket antenna or FM modulator.

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Metra 40-CR20 Antenna Adapter Reviews

Average Customer Review:

17 reviews
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plug n play

Written By hemi, seneca falls, ny on Friday, December 19, 2014

Crutchfield Customer Review (What's this?)

Antenna adapter fit well in my 2006 dodge charger with navigation. Nice tight connection.

Pros: Easy to install. Great connection

Cons: None

Metra 40-CR20 Antenna Adapter

Written By Andrew, Central FL on Wednesday, December 03, 2014

Crutchfield Customer Review (What's this?)

simple plug in, it worked great

Pros: it was a simple 10 minute install

Metra 40-CR20 Antenna Adapter

Written By Anonymous, frisco,tx on Sunday, July 27, 2014

Crutchfield Customer Review (What's this?)

the item Ipurchased is great

Defective Product

Written By JS in BC, Boulder City, NV on Thursday, April 17, 2014

Crutchfield Customer Review (What's this?)

The product as shipped, was defective! After connecting it to my radio then to the antenna, I heard nothing but static, but when I just stuck a wire into the radio's antenna socket, I got signal, but not a good connection. As I was desperate with the dash board all over the front seat, I took the adapter apart and discovered that it was internally shorted! Some of the wires from the shield were touching the center conductor. I corrected this but did not have the proper crip tools. What I have now is somewhat of a kluge, but works. This caused me a good deal of aggravation and I should have sent it back, but after "repairing" it myself, I think I would have had a problem and I didn't feel like dealing with it. I just wish the people that make these things would test them before they leave the factory, but that would add an couple of cents to the cost and reduce their profits!

Pros: Looked like a good idea.

Cons: Defective product!

Metra 40-CR20 Antenna Adapter

Written By James, Quincy,FL on Sunday, February 09, 2014

Crutchfield Customer Review (What's this?)

works great and fixed my problem

Antenna

Written By Austin Houglan, Doylestown on Thursday, September 05, 2013

Crutchfield Customer Review (What's this?)

Works good

Not much to say about this...

Written By Nick Danger, Southwest FL on Friday, January 25, 2013

Crutchfield Customer Review (What's this?)

Not much to say. It does what its supposed to. Installed in a '06 Chrysler Sebring convertible.

Fit Well

Written By Dave, CT on Saturday, February 04, 2012

Crutchfield Customer Review (What's this?)

Needed for a Sirius direct antenna adapter in a 2005 Dodge Ram 1500.

Pros: Worked well

Cons: none

Metra 40-CR20 Antenna Adapter

Written By Dave, Hancock, MA on Tuesday, November 03, 2009

Crutchfield Customer Review (What's this?)

High quality, good fit and works well.

2004 Grand C.

Written By Anonymous, South Bend, IN on Sunday, September 20, 2009

Crutchfield Customer Review (What's this?)

Easy to install with Crutchfields step by step help. I installed it into a Jeep 2004 Grand C. with FM Direct Adapter form Crutchfield.

Metra 40-CR20 Antenna Adapter

Written By Harry, Idaho Falls, ID on Thursday, May 21, 2009

Crutchfield Customer Review (What's this?)

Fit great, works well, solved my problem on my Jeep. Thanks!

Adapter

Written By Gary, New Port Richey, FL on Wednesday, February 18, 2009

Crutchfield Customer Review (What's this?)

This was the part that was needed to support an aftermarket antenna with my factory radio. It fit and works perfectly!!!

Great for adding XM radio antenna adapter

Written By Jeffrey, LaPlata, MD on Thursday, January 22, 2009

Crutchfield Customer Review (What's this?)

I used this on my 2008 Ford Mustang and on my 2006 Ford Explorer. It fit both perfectly although I would prefer shorter leads. It was very easy to install - dropped the glovebox on each vehicle and inserted the adapters and was done in seconds.

It works flawlessly. you do need both adpaters.

Fit my 2007 Ford Edge

Written By Walter, Colorado Springs, CO on Saturday, October 11, 2008

Crutchfield Customer Review (What's this?)

Perfect fit in my 2007 Ford Edge

Great Product

Written By Joe, Freeland,PA on Tuesday, June 10, 2008

Crutchfield Customer Review (What's this?)

This item worked great for my 04 jeep grand Cherokee. Was exactly what I needed to be able to connect my Sirius fm transmitter box to the antenna plug that was on the vehicle. Both adapters are required if your hooking up Sirius or a cd changer threw the antenna plug.

Metra 40-CR20 Antenna Adapter

Written By Rick, Maryland on Tuesday, September 04, 2007

Crutchfield Customer Review (What's this?)

Worked very well for installing a Sirius Sat radio FM modulator into a 2007 Ford F-150. Also need 12040CR10 to complete installation.

loose fit on Chrysler 300C

Written By gregg, fort hood, texas on Sunday, April 22, 2007

Crutchfield Customer Review (What's this?)

i bought this for adaption of my xm reciever to factory headunit. this has a real loose fit (ie; wants to just fall right out) into back of headunit but it does the job i had to use electrical tape to hold it in to make me feel better that it was back in there snug enough for a connection.

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