About the Metra AX-TOY28SWC Steering Wheel Control Harness
What's in the box:
Other info:
- MFR # AX-TOY28SWC
- Item # 120TOY28SC
- California customers: Please click here for your Proposition 65 WARNING.
More details on the Metra AX-TOY28SWC Steering Wheel Control Harness

Product Research
Features
SWC Retention Harness (for Toyota): When installing an aftermarket radio in select 2012-2013 Toyota vehicles, the AX-TOY28SWC harness allows you to retain your factory installed steering wheel controls without having to splice into your vehicle's factory wiring (120ASWC1, required & sold separately). In addition, the AX-TOY28SWC harness includes stereo male RCA connectors to allow you to retain your factory installed 3.5mm jack (your aftermarket radio must also have a rear-panel stereo Aux input).
Note: This is an optional harness; a main power and speaker harness is still required and sold separately.
Vehicle compatibility: The AX-TOY28SWC harness is compatible with the following 2012-2013 Toyota vehicles.
Make | Model | Year |
---|---|---|
Toyota | 4 Runner | 2012-2013 |
Camry | 2012 | |
Corolla | 2012-2013 | |
Highlander | 2013 | |
Matrix | 2013 | |
Prius | 2012 | |
RAV4 | 2012 | |
Sequoia (Nav only) | 2013 | |
Tacoma | 2012 (JBL only) / 2013 (all) | |
Yenza | 2013 | |
Yaris Hatchback | 2012 |
Wire Code Chart:
Wire Color | Function |
---|---|
Red | +12 Volt Accessory |
Black | Chassis Ground |
Light Green | Parking Brake |
Green/Purple | Reverse Gear |
3.5mm Jack (male) | SWC output |
White RCA (male) | Aux input (left) |
Red RCA (male) | Aux input (right) |
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Customer Q&A
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Worked perfectly out of the box for my 2014 Prius C alongside the adapter unit that comes with the Crutchfield add on package. Did not have to do any settings adjustments at all.
Patrick from Oceanside, CA