Harness

Metra Electronics 72-5602 4-Way Speaker Harness Connector for Ford & Mazda Vehicles, Multi Color https://a.co/d/0XEcge9

Adapter plate

Metra Electronics 82-5607 Front 6.5" Speaker Plate -Pair https://a.co/d/gZq8lAe

Speakers

https://www.crutchfield.com/S-ETWH8Dw...