Model: 40-NI12
from $9.49
The Metra Aftermarket Antenna Adapter-40-NI12 is a black network adapter designed to facilitate antenna connections in automotive or aftermarket applications. This compact adapter measures 12 inches in length with a 3-inch width and 1-inch height, making it easy to install in tight spaces. Weighing just 1 pound, it's a lightweight solution for integrating aftermarket antennas with existing vehicle systems or audio equipment. The adapter is ideal for users looking to upgrade or replace their factory antenna setup while maintaining compatibility with their current installation.
A vehicle-specific harness is mandatory to avoid cutting factory wires. Modern cars require 'smart' interface modules to retain steering wheel controls and warning chimes. Available from $9.49.
Wiring harnesses have zero ongoing costs. Once installed correctly, they last the lifetime of the vehicle unless damaged by pests or physical modification.
Common Failure Modes
Failure is almost always due to poor installation, such as loose crimps or exposed wires shorting out. Vibration over time can cause poorly routed wires to chafe.
A vehicle-specific harness is mandatory to avoid cutting factory wires. Modern cars require 'smart' interface modules to retain steering wheel controls and warning chimes.
Wiring harnesses last the life of the vehicle unless damaged by pests, heat, or modification.
The Metra Aftermarket Antenna Adapter-40-NI12 is available at abt, starting at $9.49.
Wiring harnesses have zero ongoing costs. Once installed correctly, they last the lifetime of the vehicle unless damaged by pests or physical modification.
See all Car Wiring Harnesses & Dash Kits
Compare the full selection with specs and pricing.
Links may earn Covala Shopping a commission at no extra cost to you. Prices last verified at time of page load. As an Amazon Associate, Covala Shopping earns from qualifying purchases.
