RP5-GM32 - Car kit PAC - Free user manual and instructions

Product Type	Car Stereo Installation Kit
Brand	PAC
Model	RP5-GM32
Compatibility	General Motors vehicles (1998-2008)
Functions	Retains factory OnStar, chimes, and audio features; integrates aftermarket radio
Power Supply	12V DC from vehicle battery
Dimensions	6 x 4 x 2 inches (approx.)
Weight	0.5 lbs (approx.)
Material	Plastic and metal
Color	Black
Includes	Wiring harness, antenna adapter, mounting brackets
Installation Tools	Basic hand tools (screwdrivers, trim removal tools)
Maintenance	Wipe with a dry, lint-free cloth
Safety	Disconnect vehicle battery before installation
Spare Parts	No spare parts required; unit is non-serviceable
Reparability	Not user-serviceable; replace entire unit if defective
Certifications	CE, RoHS

Frequently Asked Questions - RP5-GM32 PAC

What vehicles is the PAC RP5-GM32 compatible with?

The RP5-GM32 is designed for select General Motors vehicles manufactured between 1998 and 2008, including models with factory Bose or non-Bose systems. Check the PAC website or vehicle fit guide for exact compatibility.

Does the RP5-GM32 retain factory features like OnStar and chimes?

Yes, the kit preserves OnStar, factory chimes, and audio system features when installing an aftermarket radio.

What is included in the package?

The kit includes a wiring harness, antenna adapter, and mounting brackets for a seamless installation.

Do I need special tools for installation?

Installation requires basic hand tools like screwdrivers, trim removal tools, and a socket set. No special electronic tools are needed.

Is the kit compatible with aftermarket radios?

Yes, it works with most single-DIN or double-DIN aftermarket radios that have standard ISO connectors.

How do I install the RP5-GM32 safely?

Always disconnect the vehicle battery before starting. Follow the included instruction manual for step-by-step wiring and mounting.

What should I do if the kit does not fit my vehicle?

Double-check vehicle compatibility using PAC's online fit guide. If still incompatible, contact PAC support for assistance.

Can I use this kit with factory amplifiers?

The RP5-GM32 is designed to work with factory amplifiers (Bose or non-Bose) by retaining the amplifier turn-on signal.

How do I clean and maintain the kit?

Wipe the unit with a dry, lint-free cloth. Avoid liquids or chemicals that may damage the electronic components.

What is the warranty on the RP5-GM32?

PAC offers a 1-year limited warranty against defects in materials and workmanship. Register the product on their website for support.

USER MANUAL RP5-GM32 PAC

Introduction and Features

The RP5-GM32 interface allows the replacement of a factory radio in select General Motors vehicles with 29 Bit Data-Bus. Using this interface will retain factory features such as Warning Chimes, Bose Amplifier, Steering Wheel Controls (SWC), Rear Seat Entertainment (RSE), and Rear Seat Controls (RSC) when the original radio is removed. The RP5-GM32 provides data bus driven outputs such as retained accessory power (RAP), vehicle speed signal (VSS), illumination, reverse trigger and parking brake.

Important Notes

1. Aftermarket radio must have an auxiliary input in order to retain RSE audio with additional harness sold separately. Part# (GMRVD2).
2. Aftermarket radios with a 2-wire resistive based SWC circuit will not have default button assignments programmed. Please refer to the owners manual of the radio you are installing to find out the proper SWC programming procedure.
3. If the vehicle chimes when the radio is removed, the CMX is not necessary. In order to get the best possible sound out of the CMX, please mount it in a place free and clear of any obstructions, preferably as close as possible to the bottom of the dash pointing down toward the floor of the vehicle.

Module Layout

Installation Steps

Set DIP switches that correspond with your radio to the ON position. Set all other DIP switches to the OFF position.

Alpine	JVC	Kenwood / Lightning Audio	Stinger	Clarion / Nakamichi	All Other Brands	Pioneer	Sony	Fusion
1	2	1 & 2	3	3	1, 2, & 3	1, 2, & 3	4	1 & 4

If your brand is not listed above, please use "ALL OTHER BRANDS."

1. Set the Radio Select DIP switches according to the radio you are installing.
2. Wire your aftermarket radio to the RP5-GM32's harness according to the wiring connections chart below.
3. The Brown mute loop in Interface Connector 4 (if not cut) will turn the RP5's accessory output off when any OnStar function is active. If the aftermarket radio has a mute input, cut this loop and connect the Brown wire in pin 23 to it. This pin is located in the top row next to the solid blue wire. (The top of the connector has the locking tab on it).
4. Plug Interface Connectors 1 and 2 into the appropriate ports on the RP5-GM32 interface (using the diagram on Page 1 or the label on the bottom of the interface to identify the connector ports).
5. The Connector 3 connection will be dependent upon whether or not the vehicle has a factory amplified system. Plug this connector into one of the two ports on the RP5-GM32 (using the diagram on Page 1 or the label on the bottom of the interface to identify the port appropriate for the installation).
6. If the aftermarket radio is equipped with an auxiliary input and you wish to retain the factory RSE audio, plug the RCA connectors from the Vehicle Connector 2 into the radios auxiliary input.
7. Remove the factory radio and plug in the RP5-GM32's Vehicle Connector 1 and Vehicle Connector 2 into the factory vehicle harness.
8. If you wish to reassign functions to the SWC, follow the Optional Steering Wheel Control Programming on Page 4.
9. Plug the 2-Pin connector into the CMX Chime Module (If the vehicle chimes when the radio is removed, the CMX is not necessary). PLEASE NOTE: In order to get the best possible sound out of the CMX, please mount it in a place free and clear of any obstructions, preferably as close as possible to the bottom of the dash pointing down toward the floor of the vehicle.

Interface Connector 1 (3-pin)

Interface Connector 2 (20-pin)

Interface Connector 3 (12-pin)

Interface Connector 4 (24-pin)

Vehicle Connector 1 (44-pin)

Vehicle Connector 2 (20-pin)

CMX Chime Module

Wiring Connections

Yellow 12v+
Red	Accessory Output(10 amp)
Black Ground
Brown Loop	Mute Output
Blue	Not Used
Blue / White	Remote On Input
Orange	Not Used
Orange / White	Illumination Output
Purple / White	Reverse Output (+)
Light Green	Parking Brake Output (-)
Pink	Vehicle Speed Signal(VSS) Output
Blue / Yellow	SWC Output / Key 1
Brown	SWC Output / Key 2
3.5 mm Jack	SWC Output
Purple	Rear R + input
Purple / Black	Rear R - input
Green	Rear L + input
Green / Black	Rear L - input
Gray	Front R + input
Gray / Black	Front R - input
White	Front L + input
White / Black	Front L - input

Programming Button and Adjustment Dial Functions

You can press and hold the programming button on the side of the interface to access different programming modes. Once the LED is lit to the mode you desire (see below for modes), immediately release the programming button to access that mode.

PLEASE NOTE:

- This process must be done with the interface in the vehicle and the key in the ignition position.

A. LED 1 flash green: SWC re-assignment. This allows you to re-assign the SWC functions to the buttons of your choice. Please see the Optional Steering Wheel Control Programming instructions on Page 4 for more details.
B. LED 1 flash red: Master reset. This does a master reset of the interface and restores the following settings to factory defaults:
- SWC Mapping
- SWC Calibration

Default Steering Wheel Control Programming

Default SWC Button Assignments

	Alpine JVC Kenwood Clarion Pioneer Sony Fusion
Volume +	Volume + Volume -	Volume + Volume -	Volume + Volume -	Volume + Volume -	+
Volume -	Volume - Volume -	Volume - Volume -	Volume - Volume -	Volume - Volume -
Source	Source	Source	Source	Source	Source	Source	Source
Track +	Track +	Track +	Track +	Search +	Track +	Track +	Track +
Track -	Track -	Track -	Track -	Search -	Track -	Track -	Track -
Voice	Mute	Mute	Mute	Mute	Mute	Mute	Mute
Play/Pause	Preset +	Preset/Disc -	Disc/FM+	Band	Preset +	Preset +	Audio

Optional Steering Wheel Control Programming

Factory Mode

- The SWC Mute / Voice buttons are programmed to control OnStar. They cannot be programmed for short press / long press dual command functionality and are blocked from doing so.

Aftermarket Mode

- OnStar control through the SWC Mute button is disabled. This will free up the Mute button to send mute radio command and a second function.

Optional Steering Wheel Control Programming (cont.)

Use the function chart on the next page as a guide to program the functions in the proper order for your new radio

1. Turn the key to the ignition position.
2. Press and release the programming button on the side of the interface the number of times that corresponds with either factory or aftermarket mode. One press will set factory mode and two presses will set aftermarket mode. The LED will blink each time the button is pressed.
3. Once you have chosen either factory or aftermarket mode, after 2.5 seconds the LED will come on solid. At this point you have two options:

A. To restore the SWC to factory default settings: Simply wait 7 seconds and the LED will blink 3 times indicating the interface has timed out. The default settings are now restored and no further action is required.

B. To program custom SWC assignments: Proceed to step 4

1. With the LED on, press the first button to be learned on the steering wheel, the LED will turn off. At this point you have two options:

A. For short press functionality: Release the button within 1.5 seconds. The LED will turn back on.
B. For long press functionality: Hold the button until the LED starts blinking. Release the button and the LED will go back to solid.

1. If you need to program more buttons, repeat step 3 for each additional audio function on the steering wheel.
2. If you come across a function in the chart that your steering wheel does not have, or you do not want to program, press and release the program button on the side of the interface to skip that function.
3. Once programming is completed, wait seven seconds. The LED will flash three times indicating end of programming.
4. Test the interface for proper functionality. Whenever a SWC is pressed the LED on the interface should blink. If any function does not work, repeat the programming steps.

Optional Programming Order

	Alpine	JVC	Kenwood	Clarion	Other *	Pioneer	Sony	Fusion
1	Volume +	Volume +	Volume +	Volume +	Volume +	Volume +	Volume +	Volume +
2	Volume -	Volume -	Volume -	Volume -	Volume -	Volume -	Volume -	Volume -
3	Mute	Mute	Mute	Mute	Mute	Mute	Mute	Mute
4	Preset +	Source	Source	Source	Preset +	Preset +	Preset +	Source
5	Preset -	Track +	Play	Search +	Preset -	Preset -	Preset -	Track +
6	Source	Track -	Track +	Search -	Source	Source	Source / End Call	Track -
7	Track +	Band / Disc +	Track -	Band	Track +	Track +	Track +	Audio
8	Track -	Preset / Disc -	Disc / FM +	Send / End	Track -	Track -	Track -	Power
9	Power	Select	Disc / AM -	Send	Band	Band	Band
10	Enter / Play	Attenuation	Answer	End	Answer **	Phone Menu	Power / End Call
11	Band / Program	Phone Receive	Voice	Voice	End **	Answer Call	Voice / Answer / End Call
12 Receive	Phone Reject On Hook PTT ** End Call						Voice (Android Auto & Car Play) Answer / End Call***
13	End	Voice	Off Hook			Voice
14	Voice	Power	Mute
15			Preset +
* Dual / Axxera, Jensen, Rockford Fosgate ** Jensen ONLY *** XAV-AX100 / 200 Only

Testing and Verification

1. Turn the ignition on. LED 1 will illuminate red and the +12v accessory wire will turn on.
2. Turn on the radio and check chimes, volume, balance, and fader.
3. Verify that all SWC buttons are functioning properly for both the aftermarket radio and OnStar. To adjust OnStar volume, press the OnStar button on the mirror then use the volume buttons on the SWC, or the adjustment dial on the side of the module to adjust the level. When you hear a chime during this process it means you have reached the farthest minimum / maximum level.
4. Pressing the OnStar button on the rearview mirror will turn off the rear speakers and allow the OnStar audio to be heard in the two front speakers. The OnStar active LED 2 will also turn on. When OnStar disconnects, the radio will un-mute or turn back on and the OnStar LED will turn off. Pressing the VR / OnStar button on the steering wheel will also activate OnStar.
5. Turn off vehicle and remove key. RAP will be active and keep the radio on for 10 minutes or until any door is opened.
6. The LED 1 and radio will turn off when RAP turns off or until any door is opened.
7. Use the 4-position selector switch located on the side of the CMX chime module to select the best chime output volume for your specific installation. Setting 1 being loudest and 4 being softest.

Rear Seat Entertainment (RSE); If equipped

Using the Radios Dual Zone Source

• Press the power button to turn the RSE Controls on. When Radio is displayed on the RSE Controls, the aftermarket radios rear speaker output will be heard through the headphone jacks. Putting the aftermarket radio into dual zone mode should change the output level of the rear speakers to a fixed level. This allows precise user adjustment from the level knobs on the RSE Controls (refer to aftermarket radio owners manual for model specific dual zone operation).
• The seek arrows and PROG button will control the radio as programmed by the SWC interface. These buttons are mapped to the SWC buttons as stated above.
• Pressing the SRCE button will toggle between the Factory XM tuner and the Radio as the RSE source. Pressing the power button will turn the RSE Controls off as well as turning the key off. The seek arrows and PROG button will continue to operate as stated (with the exception of SRCE which has no function) when the Rear Seat Controls are turned off.

Rear Seat Entertainment (RSE); If equipped

1. Vehicles equipped with an overhead screen only:

In this application the GMRVD2 must be used in order to feed A/V into the factory screen from an aftermarket head unit (head unit must support A/V out). With the GMRVD2, A/V will be passed from the aftermarket head unit to the rear screen and audio can be heard through the headphones. The GMRVD2 will also pass the Auxiliary inputs on the rear of the center console to the aftermarket head unit.

2. Vehicles equipped with an overhead screen AND headrest monitors:

In this application the headrest monitors will function independently from the overhead monitor. Neither video or audio can be passed to or from the headrest monitors. The overhead monitor will function exactly as described in #1.

OnStar Volume Adjustment for Vehicles w/o SWC

1. When OnStar is active use the adjustment dial on the side of the module to raise or lower the OnStar volume to the desired level.

RadioPRO PC App

Firmware Updates

The RadioPRO PC app will allow you to update the interface with new firmware as it becomes available. Please visit https://pac-audio.com/firmware-updates/ for available updates.

Connect the interface to your PC and select "Firmware", then "Update Firmware". Now select "Select File". Finally, browse to the place where you saved the file and select it. This will begin the updating process. Once finished, disconnect the interface from the PC and test operation.

Technical Support

Email: [e-mail]

Toll Free: 866-931-8021

Standard / International: 727-592-5991