Data Interface with SWC - GMC 2006-2023 — AXTC-LN29
Key features
- For select GMC 2006-2023
- Designed for amplified and non-amplified systems
- Retains R.A.P. (Retained Accessory Power); Retains settings, even after battery disconnection; Retains chimes; Retains balance & fade
- Provides accessory power (12-volt 10-amp)
- Provides 12-volt illumination output
- 3.5mm adapter
Data Interface with SWC - GMC 2006-2023 — AXTC-LN29 is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Keep key factory functions in your GMC while adding an aftermarket radio with the AXTC-LN29 data interface. This interface is designed for amplified and non-amplified systems, and includes steering wheel control support.
Key Features & Benefits
- Retained accessory power: Keeps accessory power available through the vehicle’s R.A.P. feature.
- Steering wheel control support: Auto-detects preset controls and allows buttons to be dual-assigned.
- Factory functions retained: Maintains chimes, balance, fade, and settings after battery disconnection.
- Navigation outputs: Provides parking brake, reverse, and speed sense outputs for radio connections.
- Radio flexibility: Works with major radio brands and can be manually programmed for most vehicles.
Technical Specifications
| Feature | Details |
|---|---|
| Vehicle application | GMC 2006–2023 |
| System support | Amplified and non-amplified systems |
| Accessory power | 12-volt, 10-amp |
| Retained accessory power | R.A.P. (Retained Accessory Power) |
| Navigation outputs | Parking brake, reverse, and speed sense |
| Steering wheel controls | Built-in support; auto-detects preset controls; buttons can be dual-assigned |
| Auto-detect | Detects vehicle type, radio connection, and preset controls |
| Radio compatibility | Designed to work with major radio brands |
| Manual programming | Can be manually programmed for most vehicles |
| Retained functions | Settings, chimes, balance, and fade |
| Illumination output | 12-volt |
| Updates | Micro “B” USB updatable |
| Included items | Interface harness; 3.5mm adapter |
| Warranty | 1-year limited warranty |
Why Choose This Product?
The AXTC-LN29 brings multiple radio-integration functions together in one interface. Auto-detect helps identify the vehicle type, radio connection, and preset controls, while dual assignment lets you set steering wheel buttons for more than one function.
It also preserves familiar factory features, including chimes and balance and fade controls. Retained settings stay in place even after the battery is disconnected.
Installation & Compatibility Notes
This interface is listed for GMC vehicles from 2006 through 2023 and supports both amplified and non-amplified systems. Confirm your vehicle’s year, audio system, and intended radio connection before choosing an interface.
The unit provides 12-volt accessory power rated at 10 amps, a 12-volt illumination output, and navigation-related parking brake, reverse, and speed sense outputs. Micro “B” USB updating is supported.
Frequently Asked Questions
Which GMC model years are listed for the AXTC-LN29?
The product title lists GMC vehicles from 2006 through 2023.
Does this interface support amplified factory systems?
Yes. It is designed for amplified and non-amplified systems.
Can I keep using my steering wheel controls?
The interface includes steering wheel control support, auto-detects preset controls, and allows buttons to be dual-assigned.
What is included with the interface?
The listed items are an interface harness and a 3.5mm adapter.
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