A lever engagement type connector includes a first connector housing having a retaining portion and a second connector housing. A lever formed with a cam groove is rotatably attached to the first connector housing. An engagement pin engaged with the cam groove is projected on the second connector housing. A wire cover is attached to the first connector housing. An engagement portion engaged with the retaining portion is provided in the wire cover. The lever is formed with a jig insertion hole at a position where an engagement area between the retaining portion and the engagement portion is covered by the lever in a state that the lever is disposed at a position other than a predetermined position.