Metra 40-GM20 Antenna Adapter Mini Connector for Select General Motors 1988-2008

Metra 40-GM20 Antenna Adapter for Select General Motors Vehicles (1988-2008)

The Metra 40-GM20 antenna adapter is designed for seamless integration of aftermarket antennas with factory GM radios. This cable features a factory male mini-barbed connector on one end and a Motorola™ female connector on the other, ensuring optimal signal compatibility without modification. Ideal for a wide range of GM vehicles manufactured from 1988 to 2008.

• OEM-Compatible Connector - Adapts factory GM mini connector to Motorola-style aftermarket antenna
• Plug-and-Play Installation - No cutting or splicing required
• Durable Construction - Built to OEM standards for long-lasting performance
• Compact Design - 7-inch range fits easily behind dashboards
• Reliable Signal Transfer - Ensures minimal loss and distortion

• Brand: Metra
• Model: 40-GM20
• MPN: Metra 40-GM20
• Color: Black
• Type: Antenna Adapter
• Connector Type: Factory Male to Motorola Female
• Number of Channels: 1
• Maximum Range: 7 Inch
• Compatibility: OEM GM Radio to Aftermarket Antenna
• Compatible Vehicle Make: General Motors (Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile, Saturn, Hummer, etc.)
• Features: GM Mini Barbed Connector, Female Motorola End, Radio Integration Adapter

The Metra 40-GM20 is essential when retaining use of your factory radio after replacing your antenna. Designed to ensure flawless audio reception, this adapter delivers factory-grade reliability and aftermarket versatility for GM vehicles spanning over two decades.

About Brand:
Metra Electronics is a trusted name in professional automotive integration. With decades of experience, Metra continues to set the standard for premium-grade installation accessories that offer easy, secure, and long-lasting solutions for today’s in-vehicle technologies.