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PAC RP5-GM41 Wiring Interface

Connect a new car stereo and retain steering wheel controls, OnStar, and warning chimes in select 2010-2016 Chevrolet and GMC vehicles

Item # 541RP5GM41

Installing a new car stereo can often mean losing your vehicle's steering wheel audio controls and other factory...

Read more from Crutchfield writer, Bob B.

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About the PAC RP5-GM41 Wiring Interface

Upgrade the radio in your Chevrolet

Installing a new car stereo can often mean losing your vehicle's steering wheel audio controls and other factory features. PAC's RP5-GM41 wiring interface solves this problem, allowing you to install a new receiver in your Chevrolet or GMC vehicle while retaining your steering wheel controls, warning chimes, OnStar®, and factory amplifier. The interface supplies the connections you need to install a navigation receiver, and you can also assign two radio functions to each steering wheel control button by using short press/long press functionality. Warranty: 1 year.

Upgrade the radio in your Chevrolet

Installing a new car stereo can often mean losing your vehicle's steering wheel audio controls and other factory features. PAC's RP5-GM41 wiring interface solves this problem, allowing you to install a new receiver in your Chevrolet or GMC vehicle while retaining your steering wheel controls, warning chimes, OnStar®, and factory amplifier. The interface supplies the connections you need to install a navigation receiver, and you can also assign two radio functions to each steering wheel control button by using short press/long press functionality. Warranty: 1 year.

Important Note: This wiring interface works with car stereos made by Alpine, JVC, Kenwood, Clarion, Pioneer, Sony, Fusion, Advent, Boyo, Dual, Lightning Audio, Rockford Fosgate, and Visteon.

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What's in the box:

  • Radio replacement/SWC interface module (for GM LAN 29-bit v2 databus)
  • Chime module
  • (CMX)
  • Vehicle harness (OS-GMLAN44)
  • Radio harness (RPM-ADPWRAUDIO)
  • SWC harness
  • Camera harness
  • Antenna adapter
  • Instructions

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More details on the PAC RP5-GM41 Wiring Interface

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Features

Radio Replacement Interface: The PAC RP5-GM41 interface allows an aftermarket head unit replacement of the factory navigation or non-navigation radio in select General Motors vehicles with 29-bit v2 GM-LAN databus system. Using this interface will retain factory features such as OnStar, steering wheel controls (SWC), Aux input & backup camera, Warning Chimes, as well as the factory amplifier when the original radio is removed. The RP5-GM41 also provides data bus driven outputs such as retained accessory power (RAP), vehicle speed sensor (VSS), illumination, reverse trigger, and parking brake.

Retained Features: The PAC RP5-GM41 will retain the following factory equipped features of your vehicle.

  • OnStar: This radio replacement interface is designed to retain the factory OnStar emergency services system and turn-by-turn voice prompts that would normally be lost when your factory radio is replaced by an aftermarket head unit.
  • Factory Amplifier: In vehicles with a factory amplified system, the factory amplifiers are retained. It can be used in vehicles with or without a factory amplified system.
  • Factory Aux & Camera: The PAC RP5-GM41 will retain your vehicle's factory Aux input & backup camera through your aftermarket receiver's rear Aux input and composite video camera input.
  • Retained Accessory Power (R.A.P.): The ignition power source of many GM vehicles keeps the radio on until one of the doors is opened. This feature is called the R.A.P. (retained accessory power). The RP5-GM41 will retain this feature.
  • Warning Chimes: The PAC RP5-GM41 will retain your vehicle's factory warning chimes through the included external chime module.
  • Steering Wheel Control (SWC): The PAC radio replacement interface also lets you keep your GM vehicle's factory steering wheel controls (no additional adapter required, but some hardwiring in the vehicle's dash is required). You even get to program two radio functions to each SWC button by using short press long press dual command functionality.

Navigation Outputs: The PAC radio replacement interface provides a VSS (vehicle speed sense), Parking Brake, and a Reverse Gear output to make installing an aftermarket Navigation radio simpler and less time consuming.

Vehicle Compatibility: The RadioPro4 (RP5-GM41) is compatible with select 2010-up GM vehicles fitted with a factory navigation or non-navigation radio, OnStar, and featuring the GM-LAN 29-bit v2 databus system with 44-pin connector harness.

Make Model Year
Chevrolet Cruze 2011-2015
Equinox 2010-2015
Malibu 2013-2015
Sonic 2012-2015
Spark 2012-2015
Trax 2015-2016
GMC Terrain 2010-2015
Notes:
  • In the Cruze, Equinox, and Terrain the separate LCD screen above the factory radio will not be retained.
  • In 2010-2015 Chevy Equinox and GMC Terrain vehicles, you must use firmware version 1.2.3a.4 or higher. These same model vehicles equipped with factory navigation are not compatible.
  • In a 2015-up Chevy Trax, you must use firmware vision 1.2.3a.4 or higher.
  • In the Chevy Malibu, models with factory navigation are not compatible.

Radio Select Switch & Programmable SWC: The radio select rotary switch on the side of the interface must be adjusted to the proper radio setting before plugging the interface into the vehicle. The interface comes pre-programmed for all of the vehicle's factory SWC functions and does not require programming, unless you wish to re-assign the SWC functions to different buttons (up to two commands per button). The SWC functions can be easily programmed; see control settings and functions below. The interface retains programming even if your vehicle's battery is disconnected.

Switch Position 1 2 3 4 5 6 7 8
Radio Alpine JVC Kenwood Clarion Valor OEM Dual Pioneer Sony Blaupunkt
Control Functions Volume +/- Volume +/- Volume +/- Volume +/- Volume +/- Volume +/- Volume +/- Volume +/- Volume +/- Volume +/-
Mute Mute Mute Mute Mute Mute Mute Mute Mute Mute
Source Source Source Source Source Source Source Source Source Source
Preset +/- Track +/- Play Search +/- Track +/- Track +/- Preset +/- Preset +/- Preset +/- Track +/-
Track +/- Band/Disc + Track +/- Band Cursor up/down Play/OK Track +/- Track +/- Track +/- Disc +/-
Power Preset/Disc - Disc/FM + Send OK Band Band Band Band OK
Play/Enter Select Disc/AM - End *** Cursor Up /Down *** Phone Menu *** ***
Band/Program Attenuation Answer *** *** Answer/ Hang-up *** Answer Call *** ***
Phone Receive /Reject Phone Receive /Reject Voice Dial *** *** *** *** End Call *** ***
End Voice Dial On/Off Hook *** *** *** *** Voice Activation *** ***
*** Power Mute *** *** *** *** *** *** ***
Note: The SWC harness contains a Blue/Yellow wire and a 3.5mm connector. You will only use one of the connectors, based on your type of aftermarket radio. The Blue/Yellow wire supports Kenwood, Newer JVC, OEM and Blaupunkt radios. The 3.5mm jack supports Alpine, Jensen, Older JVC, Clarion, Pioneer, Sony, Valor, and Dual radios. Not compatible with Soundstream head units.

Wiring Connection Chart: The included wiring harness features the following hardwire connections.

Wire Color Function
Red +12 Volt Accessory
Yellow +12 Volt Constant
Black Ground
Blue Not Used
Blue/White Not Used
Orange/White Illumination
White Left Front Speaker +
White/Black Left Front Speaker -
Gray Right Front Speaker +
Gray/Black Right Front Speaker -
Green Left Rear Speaker +
Green/Black Left Rear Speaker -
Purple Right Rear Speaker +
Purple/Black Right Rear Speaker -
Light Green Parking Brake Detection (-)
Pink VSS Output
Purple/White Reverse Output (+)
Brown Loop Mute
Red RCA Right Aux In
White RCA Left Aux In
Yellow RCA Backup Camera

RadioPRO App: PAC offers a Windows compatible RadioPRO App software program to help you configure the interface.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Installation ease [ Taylon  Feb 24, 2019 ]
A
Need it to replace radio [ Brandy  Dec 06, 2018 ]
A
was suggested [ Robert  Nov 28, 2017 ]
A
Changing to a pioneer stereo for 2014 Chevy Cruze [ Eric  Sep 27, 2017 ]
A
I choose this because its the correct fitting for my car when replacing my factory radio. [ Marcus M.  Mar 02, 2017 ]
A
Good price [ John  Mar 02, 2017 ]
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