1. Kupu Whakataki
This manual provides comprehensive instructions for the installation, operation, and maintenance of the PAC RP5-GM32 Radio Replacement Interface. The RP5-GM32 is designed to facilitate the integration of an aftermarket radio into select GM LAN vehicles while retaining essential factory features.
Please read this manual thoroughly before beginning installation to ensure proper functionality and to avoid potential damage to your vehicle or the interface.
2. Hua Neke Atuview
The PAC RP5-GM32 is a radio replacement interface engineered to maintain key factory functionalities when upgrading your vehicle's audio system. It ensures a seamless transition to an aftermarket head unit.
Āhuatanga matua:
- Retains OnStar functionality after factory radio replacement.
- Maintains factory Bluetooth (for 2009+ model vehicles).
- Preserves rear seat audio controls.
- Retains all warning chimes (chime module included).
- Provides pre-programmed steering wheel control retention.
- Offers navigation output for aftermarket head units.
He aha kei roto i te Pouaka:
- RP5-GM32 Interface Module
- Hononga waea
- Kōwae Chime (CMX)
- Steering Wheel Control (SWC) Cable
- Antenna Whāurutau
- RCA Cables (for audio/video outputs)

Figure 1: Components included with the PAC RP5-GM32 interface. This image displays the main interface module, multiple wiring harnesses with various connectors (including RCA and a 3.5mm jack for steering wheel control), a small chime module, and an antenna adapter.
3. Waka Hototahi
The RP5-GM32 is specifically designed for use in the following GM LAN vehicles:
- All 2012-2013 GM trucks and SUVs equipped with factory navigation radios.
- 2012+ 2500 & 3500 trucks equipped with factory navigation radios.
Ngā Tuhipoka Hototahi Hira:
- For 2012-2013 GM trucks & SUVs equipped with factory non-navigation radios, the RP5-GM31 interface must be used instead.
- For 2014+ Silverado & Sierra 1500 series trucks, the RP5-GM51 interface must be used instead.
4. Tatūnga me te Tāuta
Installation of the RP5-GM32 requires technical knowledge of automotive electrical systems. If you are not comfortable with these procedures, it is recommended to seek professional installation.
I mua i to tiimata:
- Momotuhia te tauranga pākahiko kino o te waka hei aukati i nga tarau hiko.
- Me mohio kei te noho katoa nga waahanga kua whakarārangihia i te Wāhanga 2.
- Refer to the detailed wiring diagram provided with your specific product packaging for precise connections. This manual provides general guidance.
Hipanga Tāuta Whānui:
- Tango irirangi wheketere: Carefully remove the factory radio from the dashboard, following your vehicle's specific disassembly instructions.
- Hononga Atanga Hononga: Connect the vehicle-specific harness from the RP5-GM32 to the factory wiring harness in the vehicle.
- Connect Aftermarket Radio: Connect the aftermarket radio's wiring harness to the corresponding wires on the RP5-GM32 harness. Pay close attention to power, ground, speaker, and accessory wires.
- Mana urungi (SWC): Connect the 3.5mm SWC jack from the RP5-GM32 harness to the SWC input on your aftermarket radio. If your radio uses a wired SWC input, connect the appropriate wires as per the detailed wiring diagram.
- Chime Module (CMX): Connect the CMX module to the RP5-GM32 interface. Ensure it is securely mounted in a location where chimes can be heard clearly.
- Ngā Putanga Whakatere: If your aftermarket radio utilizes navigation features, connect the navigation output wires (e.g., parking brake, reverse, vehicle speed sense) from the RP5-GM32 to the corresponding inputs on your aftermarket radio.
- Hononga Antenna: Use the provided antenna adapter to connect the vehicle's factory antenna to the aftermarket radio.
- Pūnaha Whakamātautau: Before fully reassembling the dashboard, reconnect the vehicle's battery and test all functions of the aftermarket radio, OnStar, steering wheel controls, and warning chimes.
- Huihuia: Once all functions are verified, carefully reassemble the dashboard.
Note on Sony Bluetooth SWC: Sony Bluetooth Steering Wheel Control commands are only supported with revision 1.6.6.14 or higher of the RP5-GM32 firmware. Check your unit's firmware version if experiencing issues.
5. Nga Tohutohu Whakahaere
Once installed, the PAC RP5-GM32 operates automatically to retain the specified factory features. No direct user interaction with the interface module is typically required during normal operation.
- OnStar: OnStar functionality will be retained. Refer to your vehicle's owner's manual for specific OnStar operation.
- Mana Wira urungi: Your factory steering wheel audio controls will function with your aftermarket radio. The specific commands (volume, track, mode) will be pre-programmed.
- Rear Seat Audio Controls: If your vehicle is equipped, rear seat audio controls will remain functional.
- Warning Chimes: All factory warning chimes will be reproduced through the CMX module.
6. Tiaki
The PAC RP5-GM32 is designed for maintenance-free operation. However, the following general guidelines can help ensure its longevity:
- Ensure all connections remain secure. Loose connections can lead to intermittent functionality.
- Keep the area around the interface module free from excessive dust or moisture.
- Avoid exposing the module to extreme temperatures beyond typical automotive operating conditions.
7. Te Raru
If you encounter issues after installing the RP5-GM32, review the following common problems and solutions:
- Kāore he Mana ki te Reo Irirangi Whai Muri:
- Check all power and ground connections from the RP5-GM32 harness to the aftermarket radio and the vehicle.
- Verify the vehicle's fuse for the radio circuit.
- Steering Wheel Controls Not Functioning:
- Ensure the 3.5mm SWC jack is fully inserted into the aftermarket radio's SWC input.
- Confirm your aftermarket radio is configured to accept external steering wheel controls.
- For Sony radios, verify firmware version is 1.6.6.14 or higher for Bluetooth SWC commands.
- No Chimes or Incorrect Chime Volume:
- Check the connection to the CMX chime module.
- Ensure the CMX module is not obstructed.
- No Fading Capability with Premium AmpNgā Pūnaha Whakapūmau:
- This is a known limitation. In premium amplified systems, the aftermarket stereo will not have fading capability.
- Factory Satellite Radio / XM Tuner Not Retained:
- The RP5-GM32 does not retain factory satellite radio or XM tuner functionality. These are typically built into the factory radio and are removed when the factory radio is replaced.
- OnStar Volume Adjustment from Steering Wheel Controls Not Working:
- The RP5-GM32 does not retain OnStar volume adjustment from steering wheel controls.
- No Reverse Camera Power / Reverse Camera Not Displaying:
- The RP5-GM32 may not provide a dedicated reverse camera power output or trigger for all aftermarket head units. You may need to locate and tap into a vehicle's reverse light wire for the camera trigger.
- No Sound from Bose AmpKaiwhakaora:
- Ensure the blue wire (typically for amplifier turn-on) is correctly connected. Some instructions may incorrectly state it is not used, but it is necessary for triggering factory Bose ampkaikawe
If issues persist, consult the detailed installation guide provided with the product or contact PAC technical support.
8. Whakatakotoranga
| Āhuahira | Taipitopito |
|---|---|
| Waitohu | PAC |
| Tau tauira | RP5-GM32 |
| Rahi Hua (L x W x H) | 9 x 9 x 2 inihi |
| Taumaha Tūemi | 0.01 hekere |
| Kaihanga | AAMP o Amerika |
| UPC | 606523109260 |
| Te Ra Wātea Tuatahi | Akuhata 30, 2014 |
9. Nga Korero Whakaputanga
The PAC RP5-GM32 comes with a 1 Tau Rarangi Rarangi from the date of purchase. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the warranty documentation included with your product or contact PAC customer service.
10. Tautoko
For technical assistance, detailed wiring diagrams, or further inquiries regarding the PAC RP5-GM32, please visit the official PAC website or contact their customer support directly. Always have your product model number (RP5-GM32) and vehicle information ready when seeking support.
Kaihanga: AAMP o Amerika
11. Whakakahoretanga Ture
WHAKATŪPATO: Kei roto i tenei hua nga matū e mohiotia ana e te State of California ka pa te mate pukupuku me te koha whanau me etahi atu kino uri.





