PAC HWH816 Factory Harness Adapter
PAC HWH816 Factory Harness Adapter
Seamlessly integrate your aftermarket stereo system with your factory wiring using the PAC HWH816 Harness Adapter — designed for select Honda vehicles while retaining the factory backup camera functionality.
The PAC HWH816 harness adapter provides a true plug-and-play installation experience, eliminating the need to cut or splice factory wiring. It is pre-wired to work perfectly with the PAC SWI-CP2 steering wheel control interface and ensures your vehicle’s OEM backup camera remains functional after upgrading your stereo.
Key Features & Benefits:
- Plug-and-Play Installation: Connects directly to the factory harness — no cutting or splicing required.
- Retains Factory Backup Camera: Keep your OEM camera working seamlessly with your new stereo.
- Pre-Wired for PAC SWI-CP2: Ready for easy steering wheel control integration.
- Factory Fit & Finish: Designed for a clean, secure connection without compromising reliability.
- Compatible with Multiple Honda Models: Built specifically for select Civic, CR-V, Fit, and HR-V trims.
Technical Specifications:
- Model: HWH816
- SKU: HWH816
- Brand: PAC
- Type: Factory Harness Adapter
- Backup Camera Retention: Yes
- Pre-Wired Support: Compatible with PAC SWI-CP2 steering wheel control module
- Installation: Plug-and-play
Vehicle Application Guide:
| Year(s) | Make | Model | Compatible Trims |
|---|---|---|---|
| 2016 | Honda | Civic | LX, LX-P |
| 2017-2018 | Honda | Civic | LX, LX-P, Sport |
| 2019 | Honda | Civic | LX, Sport |
| 2020-2021 | Honda | Civic | LX |
| 2017-2021 | Honda | CR-V | LX |
| 2018-2020 | Honda | Fit | All Trims |
| 2018-2021 | Honda | HR-V | All Trims |
Installation & Applications:
- Aftermarket Stereo Upgrades: Integrates new head units without cutting factory wiring.
- Backup Camera Retention: Maintains factory camera functionality after upgrading.
- Steering Wheel Control Ready: Fully compatible with PAC SWI-CP2 for seamless audio control.
- Professional-Grade Integration: OEM-style fitment ensures a clean, secure installation.
Frequently Asked Questions
-
Does this work with aftermarket stereos?
Yes, it’s designed for seamless integration when upgrading your head unit. -
Will I lose my factory backup camera?
No, this harness retains full backup camera functionality. -
Is it compatible with steering wheel controls?
Yes, it’s pre-wired for PAC SWI-CP2 integration. -
Do I need to cut any wires?
No, the harness provides a true plug-and-play solution. -
Which vehicles are supported?
Please refer to the vehicle application guide above for full compatibility.

Description
PAC HWH816 Factory Harness Adapter
Seamlessly integrate your aftermarket stereo system with your factory wiring using the PAC HWH816 Harness Adapter — designed for select Honda vehicles while retaining the factory backup camera functionality.
The PAC HWH816 harness adapter provides a true plug-and-play installation experience, eliminating the need to cut or splice factory wiring. It is pre-wired to work perfectly with the PAC SWI-CP2 steering wheel control interface and ensures your vehicle’s OEM backup camera remains functional after upgrading your stereo.
Key Features & Benefits:
- Plug-and-Play Installation: Connects directly to the factory harness — no cutting or splicing required.
- Retains Factory Backup Camera: Keep your OEM camera working seamlessly with your new stereo.
- Pre-Wired for PAC SWI-CP2: Ready for easy steering wheel control integration.
- Factory Fit & Finish: Designed for a clean, secure connection without compromising reliability.
- Compatible with Multiple Honda Models: Built specifically for select Civic, CR-V, Fit, and HR-V trims.
Technical Specifications:
- Model: HWH816
- SKU: HWH816
- Brand: PAC
- Type: Factory Harness Adapter
- Backup Camera Retention: Yes
- Pre-Wired Support: Compatible with PAC SWI-CP2 steering wheel control module
- Installation: Plug-and-play
Vehicle Application Guide:
| Year(s) | Make | Model | Compatible Trims |
|---|---|---|---|
| 2016 | Honda | Civic | LX, LX-P |
| 2017-2018 | Honda | Civic | LX, LX-P, Sport |
| 2019 | Honda | Civic | LX, Sport |
| 2020-2021 | Honda | Civic | LX |
| 2017-2021 | Honda | CR-V | LX |
| 2018-2020 | Honda | Fit | All Trims |
| 2018-2021 | Honda | HR-V | All Trims |
Installation & Applications:
- Aftermarket Stereo Upgrades: Integrates new head units without cutting factory wiring.
- Backup Camera Retention: Maintains factory camera functionality after upgrading.
- Steering Wheel Control Ready: Fully compatible with PAC SWI-CP2 for seamless audio control.
- Professional-Grade Integration: OEM-style fitment ensures a clean, secure installation.
Frequently Asked Questions
-
Does this work with aftermarket stereos?
Yes, it’s designed for seamless integration when upgrading your head unit. -
Will I lose my factory backup camera?
No, this harness retains full backup camera functionality. -
Is it compatible with steering wheel controls?
Yes, it’s pre-wired for PAC SWI-CP2 integration. -
Do I need to cut any wires?
No, the harness provides a true plug-and-play solution. -
Which vehicles are supported?
Please refer to the vehicle application guide above for full compatibility.












