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Metra 40-GM20 Antenna Adapter

Works with select 1985-up General Motors vehicles — factory male to female Motorola antenna connector

Item # 12040GM20

The Metra 40-GM20 adapter lets you connect an aftermarket antenna cable to the factory radio.

Find what Fits your vehicle

The Metra 40-GM20 adapter lets you connect an aftermarket antenna cable to the factory radio.

Item # 12040GM20

In stock
C$12.99

About the Metra 40-GM20 Antenna Adapter

Metra 40-GM20 adapter

The Metra 40-GM20 adapter lets you connect an aftermarket antenna cable to the factory radio. It has an OEM male plug on one end and a Motorola female jack on the other. You'll also need item 12040GM10 if you're installing a wired 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.

Metra 40-GM20 adapter

The Metra 40-GM20 adapter lets you connect an aftermarket antenna cable to the factory radio. It has an OEM male plug on one end and a Motorola female jack on the other. You'll also need item 12040GM10 if you're installing a wired 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.

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What's in the box:

MFR #40-GM20

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Metra 40-GM20 Antenna Adapter reviews

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More details on the Metra 40-GM20 Antenna Adapter

Research Team

Product Research

Features

Compatibility: The Metra AntennaWorks GM antenna adapter cable (40-GM20) converts the mini "barbed" or "barbless" antenna plug of a 1985-up GM factory radio to a standard motorola connection for installation of an aftermarket antenna in select 1985-up GM vehicles.

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Customer Q&A

1 question already asked

Q
I want to be sure my factory antenna (1995 Silverado k1500) will match up to my new pioneer double DIN with the adapter?
[ Giancarlo S.  Jul 28, 2019 ]
1 answer
A
My vehicle is a 1994 Pontiac Firehawk. With with the antenna adapter I was able to add in the aftermarket components with no problems.
[ George  Jul 29, 2019 ]

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