Rectangular Waterproof Connector

Disengage the front holder with a screwdriver and remove it.

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Insert the tip of a screwdriver (0.8 mm (0.03 inch) width) into the connector as shown in the illustration, push it lightly to raise the housing lance, and pull out the terminal.

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Press the contact point to the male terminal down by holding a screwdriver (1.4 mm (0.06 inch) width) as shown in the illustration. Lightly squeeze the outer edge so the flats are parallel with the bottom.