PAC GM1A-RS Radio Replacement Interface for 2004-2005 Buick Century & More
Specifications
- Brand
- PAC
- UPC
- Category
- Radio Replacement Interface
- Shipping weight
- 0.9 lb
Links open in a new tab; return here to finish shopping. Select Klarna, Shop Pay or Sezzle to learn how they work before checkout. Eligibility applies.
PAC GM1A-RS is a radio replacement interface for the vehicle applications listed below. Check the factory-equipment requirements and exclusions before ordering.
- Brand: PAC
- Manufacturer part number: GM1A-RS
Vehicle fitment
Match the model year, vehicle, and factory equipment to an application below.
| Years | Make | Model | Compatible equipment | Excluded equipment |
|---|---|---|---|---|
| 2004-2005 | Buick | Century | Without OnStar | With OnStar |
| 2005-2007 | Buick | Lacrosse | Without OnStar | With OnStar |
| 2004-2007 | Buick | Rainier | Without OnStar | With OnStar |
| 2003-2007 | Buick | Rendezvous | Without OnStar | With OnStar |
| 2005-2007 | Buick | Terraza | Without OnStar | With OnStar |
| 2003-2006 | Cadillac | Escalade | Without OnStar | With OnStar |
| 2003-2006 | Cadillac | Escalade Esv | Without OnStar | With OnStar |
| 2003-2006 | Cadillac | Escalade Ext | Without OnStar | With OnStar |
| 2003-2006 | Chevrolet | Avalanche | Without OnStar | With OnStar |
| 2000-2005 | Chevrolet | Cavalier | Without OnStar | With OnStar |
| 2004-2012 | Chevrolet | Colorado | Without OnStar | With OnStar |
| 2005-2013 | Chevrolet | Corvette | Without OnStar | With OnStar |
| 2004-2007 | Chevrolet | Express Van | Without OnStar | With OnStar |
| 2000-2005 | Chevrolet | Impala | Without OnStar | With OnStar |
| 2001-2003 | Chevrolet | Malibu | Without OnStar | With OnStar |
| 2000-2005 | Chevrolet | Monte Carlo | Without OnStar | With OnStar |
| 2003-2004 | Chevrolet | S-10 Pickup | Without OnStar | With OnStar |
| 2003-2006 | Chevrolet | Silverado | Without OnStar | With OnStar |
| 2007 | Chevrolet | Silverado | Classic model; Without OnStar | New model; With OnStar |
| 2003-2006 | Chevrolet | Ssr | Without OnStar | With OnStar |
| 2003-2006 | Chevrolet | Suburban | Without OnStar | With OnStar |
| 2003-2006 | Chevrolet | Tahoe | Without OnStar | With OnStar |
| 2002-2009 | Chevrolet | Trailblazer | Without OnStar | With OnStar |
| 2005-2008 | Chevrolet | Uplander | Without OnStar | With OnStar |
| 2003-2005 | Chevrolet | Venture | Without OnStar | With OnStar |
| 2004-2011 | GMC | Canyon | Without OnStar | With OnStar |
| 2002-2009 | GMC | Envoy | Without OnStar | With OnStar |
| 2003-2007 | GMC | Savana | Without OnStar | With OnStar |
| 2003-2006 | GMC | Sierra | Without OnStar | With OnStar |
| 2007 | GMC | Sierra | Classic model; Without OnStar | New model; With OnStar |
| 2003-2006 | GMC | Yukon | Without OnStar | With OnStar |
| 2003-2006 | GMC | Yukon Xl | Without OnStar | With OnStar |
| 2003-2007 | Hummer | H2 | Without OnStar | With OnStar |
| 2005-2010 | Hummer | H3 | Without OnStar | With OnStar |
| 2009-2010 | Hummer | H3T | Without OnStar | With OnStar |
| 2003-2008 | Isuzu | Ascender | Without OnStar | With OnStar |
| 2001-2004 | Oldsmobile | Alero | Without OnStar | With OnStar |
| 2002-2004 | Oldsmobile | Bravada | Without OnStar | With OnStar |
| 2000-2004 | Oldsmobile | Silhouette | Without OnStar | With OnStar |
| 2001-2005 | Pontiac | Aztek | Without OnStar | With OnStar |
| 2001-2005 | Pontiac | Grand Am | Without OnStar | With OnStar |
| 2004-2008 | Pontiac | Grand Prix | Without OnStar | With OnStar |
| 2000-2006 | Pontiac | Montana | Without OnStar | With OnStar |
| 2000-2005 | Pontiac | Sunfire | Without OnStar | With OnStar |
| 2005-2008 | Saab | 9-7X | Without OnStar | With OnStar |
| 2005-2007 | Saturn | Relay | Without OnStar | With OnStar |
Features and product details
RadioPRO Advanced has been engineered to save you time and seamlessly integrate into a vehicle’s databus system to retain features such as steering wheel controls, factory amplifier, audio fade, rear-seat entertainment system, and safety notifications. RadioPRO Advanced features improved sound quality of warning chimes through a provided speaker and direct USB connection for quick and easy product setting adjustments and firmware updates. It also saves you time installing a streamlined harness design, smaller housing, and easier adjustment of chimes and factory amplifier gain.Installation documents
More from PAC
Explore these related options. Compare specifications and vehicle fitment when choosing an alternative or planning an installation.
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
Email Sales@Speedzoneweb.com
Call 407-846-8430
Text 407-749-6314
Answers to common questions are on our FAQ page.
Under the Influence by Speedzone
Product approval required
Want to promote this product?
Approved Speedzone creators can request access to promote this item.
Request to Promote This Product
Parts Financing
Product Request
Return Policy
Wheel & Tire Builder
Discount Codes
