---
product_id: 473156554
title: "Metra WM-GM29-SWC GM Radio Interface"
brand: "Metra"
price: "VT28722"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/473156554-metra-wm-gm29-swc-gm-radio-interface
store_origin: VU
region: Vanuatu
---

# Metra WM-GM29-SWC GM Radio Interface

**Brand:** Metra
**Price:** VT28722
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Metra WM-GM29-SWC GM Radio Interface by Metra
- **How much does it cost?** VT28722 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/473156554-metra-wm-gm29-swc-gm-radio-interface)

## Best For

- Metra enthusiasts

## Why This Product

- Trusted Metra brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

When replacing the OEM radio with an after market radio some features are lost with Metra's WM-GM29-SWC interface most of those features get retained. This interface with connect an aftermarket radio to the OEM vehicle and communicate with the data system. This interface will provide and retain 12 volt accessory power, provide navigation outputs, retain chimes, retain steering wheel controls and retain balance and fade. This interface will work in non-amplified models in select Buick/ Cadillac/ Chevrolet/ GMC/ Hummer/ Pontiac/ Saturn 2006-up. Metra WM-GM29-SWC GM Radio Interface     Provides accessory power (12-volt 10-amp)  Retains R.A.P. (retained accessory power)  Provides NAV outputs (parking brake, reverse, speed sense)  Retains chimes  Retains audio controls on the steering wheel  Retains the factory AUX-IN jack  Retains the factory backup camera  Retains RSE (rear seat entertainment)  Retains SAT (satellite radio)  Can be used in non-amplified, or analog amplified models  Retains balance and fade   Includes an antenna adapter  Micro “B” USB updatable

## Images

![Metra WM-GM29-SWC GM Radio Interface - Image 1](https://i5.walmartimages.com/asr/2ad42693-bd75-4a68-9926-cb1487b7be67_1.59ff9e628fc1edf221b59a518089ab02.jpeg)
![Metra WM-GM29-SWC GM Radio Interface - Image 2](https://i5.walmartimages.com/asr/60030918-5bfc-4b6e-96bc-731135d560e7.f2fb5f4276536854ea4ccc3bcc572f82.jpeg)
![Metra WM-GM29-SWC GM Radio Interface - Image 3](https://i5.walmartimages.com/asr/7f6ea556-82ad-4ab2-8392-6bb975c677fc.d3faac56e2e6ac2270ab9dc16d26cae6.jpeg)
![Metra WM-GM29-SWC GM Radio Interface - Image 4](https://i5.walmartimages.com/asr/2c7a0d09-a27c-47be-ab92-71b2e50708dd.47aba190ca578bfb35532360a9a584a7.jpeg)
![Metra WM-GM29-SWC GM Radio Interface - Image 5](https://i5.walmartimages.com/asr/fea108aa-b7a2-4f5e-9195-9c72204a9d84.68b8ca6ce71593ca027561562f1a2086.jpeg)

---

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**Shop now:** [https://www.desertcart.vu/products/473156554-metra-wm-gm29-swc-gm-radio-interface](https://www.desertcart.vu/products/473156554-metra-wm-gm29-swc-gm-radio-interface)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-01-31*