Horn adaptor aluminum for 1 inch Eminence exit driver to 1.4 inch Eminence entry horn. – Eminence Speaker, LLC
Amazon.com: FARBIN Car Horn Special Plug Compatible with Toyota Adapter Wiring Harness Pigtail Socket Car Horn Connector Harnesses Cable 2Pcs : Automotive
Amazon.com: uxcell 2Pcs Plastic Car Horn Speaker Adapter Wiring Harness Pigtail Socket for Toyota : Electronics
Amazon.com: FARBIN Car Horn Special Plug Compatible with Fo/rd Adapter Converter Wiring Harness Pigtail Socket Car Horn Connector Harnesses Cable 3Pcs : Automotive