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Metra AD-GM12 antenna adapter with mini plug

METRA

METRA AD-GM12 aftermarket radio to GM antenna adapter with mini plug car electronics accessory

SKU CH-217S-6E4DB

Connects an aftermarket radio to a GM antenna using a mini plug

  • Product typeDash Installation Kits
  • Connects aftermarket radio to GM antenna
  • Mini plug ensures secure factory-style fit
  • Simple installation with dash kit design
  • Compatible with GM vehicle antenna systems

Aftermarket Radio to GM Antenna Adapter

This Metra adapter connects an aftermarket head unit to the factory General Motors antenna system. It uses a mini plug interface that matches the original vehicle connector. The part is designed for dash installation kits where the stock antenna lead must be retained.

Includes Mini Plug for Factory Antenna Retention

The bundled mini plug lets you keep the existing GM antenna cable without cutting or splicing the harness. This preserves the original reception quality and avoids damage to the vehicle wiring. Installers can complete the radio swap using only hand tools and the supplied connector.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 92% of the 2,768 comparable items (median $21.99).

Specifications

Product
Brand nameMetra
Product typeDash Installation Kits

Questions about this item

Will the mini-plug connector on the AD-GM12 adapter wear out and need replacement?

The mini-plug is a passive metal connector with no moving parts, so it does not wear out under normal use and requires no scheduled replacement.

What is the first limitation that appears when the AD-GM12 adapter is used continuously at high volume?

The adapter contains no active electronics, so it imposes no power or thermal limit; the first constraint will be the head unit or antenna system itself.

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