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RP4-GM31 Radio Replacement Interface for Select 2006-14 GM LAN

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  • $119.98
Market price: $159.95, you save $39.97

RP4-GM31 Radio replacement adapter for GM LAN 29 Bit Data-Bus


Score: 4.75 (votes: 4)
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  • Net weight
    1.5 lbs
  • Part Number

You love your GM vehicle, but no so much the car stereo, so you decide the replace the radio with an aftermarket radio of choice. Integrating an aftermarket radio into GM vehicles is no longer a simple wire harness and antenna adapter. In order to replace the factory radio in these vehicle a special interface is required. Enter the RP4-GM31.
The all new RP4-GM31 (Version 1.2.3a.8) Radio replacement interface requires no programming or complex installation methods. In one unit you get a complete solution for radio replacement and steering wheel control functions. The RP4-GM31 communicates directly with the vehicle’s databus and comes pre-loaded with software that retains OEM amplifier, Steering wheel Software, 12V Accessory, Vehicle Speed Sense (VSS), Illumination, Parking Brake, and Reverse gear indicator features making it ideal for installing aftermarket Navigation or non-navigation Radios while maintaining the vehicle wiring integrity (also great for lease vehicles). Works in vehicles without OnStar® or when OnStar is not serviced or unwanted. [ see the RP5-GM31 to retain OnStar]
» Enables aftermarket radio installation without retention of the factory radio
» Supplies warning tone from it's built-in speaker for; door ajar, seat belt, low oil pressure, hi-temp, low fuel, etc.
» Safe & Sound Class II circuitry will not disable vehicle data bus even if interface loses power
» Provides +12v switched accessory output. No more searching for switched +12v in fuse box or kick panel
» New radio will operate with the vehicle RAP (Retained Accessory Power) system.
» Retains Bose amplifier.
» Pre-programmed with steering wheel controls software
» The Rear seat audio controls also remain functional when the RP4-GM31 is used
 [These issues or circumstances may affect compatibility of this product with your radio or vehicle]
1. Compatible with select 2006-Up GM's "BOSE Amplified System", "Standard" or " BOSE®", without OnStar or if OnStar® is not wanted.
2. Recommended Line-level input is 2-4 Volts from aftermarket radio.
3. Does *NOT* retain factory XM or OnStar. These add-ons will be lost upon replacement of the factory radio.
Click to review Installation Instructions prior to ordering.

1. 2012 Avalanche, Sierra, Silverado Suburban, Tahoe & Yukon equipped with a navigation radio are *NOT* compatible
2. Chevrolet Express & GMC Savannah equipped with diesel engines are *NOT* compatible
3. Does not retain OnStar or XM. See the RP5-GM31 to retain these Options.
4.  Does not control the "Premium" amplifier" fading feature
5. Premium Factory amplified Systems will not fade as neither the aftermarket radio or the RP interface have the ability to control the amplifier’s fader.
6. Does not retain escalating tones of parking sensor proximity
7. Does not retain lane departure or forward collision warning tones.

DISCLAIMER: Under no circumstances shall the manufacturer or the distributors (Discount Car Stereo) of the RP4-GM31 parts be held liable for consequential damages sustained in connection with the RP4-GM31. The manufacture and it’s distributors (Discount Car Stereo) will not, nor will they authorize any representative or any other individual to assume obligation or liability in relation to the RP4-GM31 other than its replacement.

Defective returns:
Our return policy differs from than of other online merchants and we encourage all customer to read our Return policy page it in its entirety prior to ordering.
Defective returns are eligible for warranty repair or replacement service: Within the first 10 days, Discount Car Stereo will replace any defective or damaged part and provide a pre-paid return label (US Customers only). (Pre-paid labels are not issued for other return reasons).
After 10 days of receipt, customer covers return shipping cost, however we cover shipping cost to supplier/manufacturer, and to ship replacement back to you. If original purchase can't be replaced (discontinued etc), we reserve the right to provide a substitute part of higher or equal value. Any claims for missing parts must be made within 7 days of delivery.
We strive to avoid costly returns by providing our customer with as much product information and applications. Click to read the full return policy page.

Gone are the days when customer had to call or email to obtain shipping rates. At Discount Car, shipping rates are automated and calculated in real time based on cart contents, weight and destination. To get a shipping quote simply add items to cart, follow the checkout process by filling address details and in seconds the online shipping calculator provides real time rates and shipping methods. We ship throughout the USA, Canada and select international destinations (See country drop-down in checkout page for list of international countries or visit our Frequent ask questions page).
Our family owned and operated specialty store makes every effort to get your order processed and shipped at soon as possible; however any products with this logo requires assembly and additional time (usually 2-3 days) to assemble (build) after which it is shipped using shipping method selected at checkout. Paying for a faster shipping method (e.g. Express mail, Priority mail) for parts requiring assembly, does not speed up assembly process; however, it does speed up delivery time.
90% of our products require assembly and identified with "this logo" in image area of product page.
Delivery time for in stock products requiring assembly= Assembly time (2-3 days) + transit time (your shipping method).
Example: Order our very popular Corvette Bluetooth C5CD-HF and choose "USPS Priority Mail (2-4 days) shipping. Expect delivery 5-7 business days after order placement.
Please contact us first regarding time sensitive deliveries.
Parts not requiring assembly or customization (off-the-shelf), usually ship within 24 hours.
Tracking information is sent to your email upon labeling. Customers accounts are also updated at the same time. All customers (with or without accounts) can check order status online which has the same details available to our staff.
Except for Priority Mail Express® (Overnight Delivery*), USPS delivery times for Priority Mail® and First-Class Mail® are estimates and are not guaranteed; however these are delivered to most states after 2-7 working days.
International orders require additional paperwork and processing time (3-4 days) prior to shipping.
Free shipping (when available); applies to US only

*with a money-back guarantee

USA/Canada: Pay with Visa, MasterCard, American Express, Discover, PayPal: PayPal, PayPal Credit, Venmo. Gift cards that display Visa, MasterCard, American Express and Discover logos are also accepted.
Customer billing information (first name, last name, billing address, and credit card information) must be entered exactly as it appears on credit card statement otherwise transaction will decline. Once order is placed a pending authorization (not a charge) will appear on your account and removed within 7-10 business days or once authorization has been charged and order shipped.
International: Select PayPal to pay with card. International credit cards are NOT accepted unless registered through PayPal. Click here to learn more about PayPal.
All prices are in U.S. dollars. The actual price charged to International customers is subject to the exchange rate applied by PayPal.

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