Metra 70-8114 SWC Add-On Harness for Select Toyota Lexus Scion Vehicles

Metra 70-8114 is a steering wheel control add-on harness for select Toyota, Lexus, and Scion vehicles with a 20-pin connector. It helps retain factory steering wheel controls and the factory 3.5mm auxiliary input when adding a compatible aftermarket radio and required Axxess SWC interface.

Key Features

• SWC add-on harness for select Toyota, Lexus, and Scion vehicles
• Designed for vehicles with a 20-pin connector only
• Retains factory-installed steering wheel controls when used with the required Axxess SWC interface, sold separately
• Includes RCA connections to retain the factory-installed 3.5mm auxiliary jack
• Optional harness; the main radio power harness is still required

System / Wiring Notes

• Axxess steering wheel control interface is required and sold separately
• Aftermarket radio must have an AUX input to retain the factory 3.5mm auxiliary jack
• For vehicles with a 28-pin connector, use the applicable 28-pin SWC harness instead
• Retained features depend on factory equipment and aftermarket radio capability

Vehicle Compatibility

Installation Notes

• Confirm exact year, make, model, factory audio system, trim level, and radio connector before installation
• Additional installation parts such as a dash kit, antenna adapter, steering wheel control interface, or vehicle data interface may be required
• Professional installation is recommended for best results
• Check the manufacturer instructions and current vehicle fit guide before installation

What’s in the Box

• Metra 70-8114 SWC add-on harness

Technical Specifications

• Brand: Metra
• Model: 70-8114
• Product Type: Steering wheel control add-on harness
• Application: Select Toyota, Lexus, and Scion aftermarket radio installations
• Compatibility Type: Vehicle-specific
• Connector Requirement: 20-pin connector vehicles only
• Required Interface: Axxess SWC interface sold separately

Identifiers & Packaging

• MPN: 70-8114
• UPC: 86429230822
• Sold As: Each
• Included Components: SWC add-on harness

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in vehicle audio integration, radio replacement parts, and installation accessories
• 22+ years of professional automotive electronics experience
• Expert support for compatibility verification and proper setup