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Car Audio
Metra  |  SKU: 70-2054
$13.00 off

Amp Bypass Harness - GM 1997-2009 — 70-2054

Sale price $111.99 Regular price $124.99
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Key features

  • For select GM 1997-2009
  • Factory subwoofer is not retained in select vehicles
  • Plugs into the car's original radio connectors on one side as well as the factory amplifier
  • Harness length is 204"
  • No wire cutting needed for factory radio connectors
  • Color-coded wires on the other side are connected to the aftermarket radio


Description

Product Overview

Connect an aftermarket radio in a compatible 1997–2009 GM vehicle with the 70-2054 amp bypass harness. Its vehicle-specific connectors link to the original radio connectors and factory amplifier, while color-coded wires connect to your new radio.

Key Features & Benefits

  • Vehicle-specific connections: The adapter plugs into the original radio connectors, avoiding the need to cut those factory wires.
  • Aftermarket radio wiring: Color-coded wires make it clear which leads to connect or solder to the new radio.
  • Factory amp bypass: The harness connects with the factory amplifier as part of the radio installation.
  • Extended reach: The 204-inch harness length gives you a long wiring run for installation.
  • Installation help: Phone support is available seven days a week.

Technical Specifications

Product Amp Bypass Harness - GM 1997-2009
Model 70-2054
Vehicle application GM, 1997–2009; see instructions for compatible RPO codes
Harness length 204"
Connections Plugs into the vehicle's original radio connectors and factory amplifier; color-coded wires connect to the aftermarket radio
Radio power Provides electrical power to the radio
Factory subwoofer Not retained in select vehicles

Why Choose This Product?

The 70-2054 keeps the factory radio connectors intact while providing color-coded leads for your aftermarket receiver. It is designed for a radio installation that involves the factory amplifier, with RPO-code compatibility determining the applicable vehicles.

Installation & Compatibility Notes

Check the instructions for compatible RPO codes before choosing this harness. Connect or solder its color-coded wires to the aftermarket radio; the vehicle-specific adapter plugs into the original radio connectors and factory amplifier without cutting those connector wires.

A dash kit, antenna adapter, or special interface adapter may also be needed, depending on the vehicle and the functions you want to retain. The factory subwoofer is not retained in select vehicles.

Frequently Asked Questions

Which vehicles does the 70-2054 fit?

It is listed for GM vehicles from 1997 to 2009. Check the instructions for compatible RPO codes to confirm application.

Do I need to cut the factory radio connector wires?

No. The vehicle-specific adapter plugs into the original radio connectors. The color-coded wires are for connection to the aftermarket radio.

Does this harness retain the factory subwoofer?

Not in select vehicles.

What other parts might be needed?

Depending on the vehicle and installation, you may need a dash kit, antenna adapter, or special interface adapter to retain steering-wheel audio controls or other vehicle functions.

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