Amp Bypass Harness - Chevy | GMC 2014-2017 — 70-2057
Key features
- For select Chevy / GMC 2014-2017
- 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 72"
- No wire cutting needed for factory radio connectors
- Color-coded wires on the other side are connected to the aftermarket radio
Amp Bypass Harness - Chevy | GMC 2014-2017 — 70-2057 is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Connect an aftermarket radio in select 2014–2017 Chevy and GMC vehicles with the 70-2057 amp bypass harness. Its vehicle-specific adapters connect to the original radio connectors and factory amplifier, while color-coded wires connect to your new radio.
Key Features & Benefits
- Vehicle-specific connections: Plugs into the original radio connectors and factory amplifier without cutting the factory radio connector wires.
- 72-inch harness: Provides harness length for routing during installation.
- Color-coded radio wires: Makes it easier to identify the wires you connect or solder to the aftermarket radio.
- Radio power: Provides electrical power to the aftermarket radio.
- Installation help: A tech support number is available seven days a week.
Technical Specifications
| Product | Factory amplifier bypass wiring harness |
|---|---|
| Model | 70-2057 |
| Vehicle application | Select GM vehicles; Chevy and GMC, 2014–2017 |
| Amplifier system | Designed for select GM vehicles with a MOST® amplifier |
| Harness length | 72" |
| Connections | Vehicle-specific adapter connects to 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 |
| MOST® notice | ® = registered in the US Patent and Trademark Office |
Why Choose This Product?
The 70-2057 gives you vehicle-specific connections for replacing the factory radio while avoiding cuts to the factory radio connector wires. The color-coded leads provide a clear connection point for your aftermarket receiver.
Its factory-amplifier bypass design is intended for select GM vehicles with a MOST® amplifier. In select vehicles, the factory subwoofer is not retained, so consider that before planning your audio setup.
Installation & Compatibility Notes
Confirm that your vehicle is a compatible 2014–2017 Chevy or GMC with the specified factory amplifier system. Connect or solder the harness’s color-coded wires to the aftermarket radio as required.
A dash kit, antenna adapter, or special interface adapter may also be needed, depending on the vehicle and the functions you want to retain. These can include steering-wheel audio controls, navigation, or video. Check your vehicle’s installation requirements before starting.
Frequently Asked Questions
Which vehicles does the 70-2057 fit?
It is designed for select 2014–2017 GM vehicles, including Chevy and GMC models. Confirm that your vehicle has the compatible factory amplifier system.
Does this harness bypass the factory amplifier?
Yes. It is a factory amplifier bypass harness and is designed for select GM vehicles with a MOST® amplifier.
Will I keep the factory subwoofer?
The factory subwoofer is not retained in select vehicles. Check the application for your specific vehicle.
Do I need other parts for installation?
You may need a dash kit or antenna adapter. A special interface adapter may also be needed to retain steering-wheel audio controls or other vehicle functions.
Does installation require cutting the factory radio connector wires?
No. The vehicle-specific adapter connects to the original radio connectors without cutting those wires. The color-coded wires connect to the aftermarket radio.
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