An electrical connector suitable for being connected to a terminal post, the electrical connector comprising: a housing body with a post receiving passage for receiving the terminal post therein; a contact provided in the post receiving passage, the contact positioned about the circumference of the post receiving passage wherein the contact will make an electrical engagement with a cylindrical terminal post inserted into a portion of the post receiving passage which contains the contact, the contact being electrically connected to a wire receiving member, the contact will make an electrical engagement with the terminal post inserted into the post receiving passage such that the wire receiving member can be orientated at any position about the circumference of the terminal post; and a locking release member slidably mounted to the housing body, the locking release member being moveable between a first position and a second position, the locking release member cooperating with a locking spring member, the locking spring member having a locking section which is configured to cooperate with a recess of the terminal post when the locking release member is in the first position, characterized by a secondary locking member to prevent the unwanted disengagement of the connector from the terminal post, the secondary locking member being moveable between a first position and a second position, wherein the locking release member has a slot into which the secondary locking member is positioned, and wherein a stop member of the secondary locking member is positioned below the locking release member when the secondary locking member is in the first position, the stop member is positioned between the locking release member and a back wall of the housing body when the secondary locking member is in the second position, wherein when the secondary locking member is in the second position the locking release member is prevented from being depressed toward the back wall, preventing the removal of the terminal post from the electrical connector. a housing body with a post receiving passage for receiving the terminal post therein; a contact provided in the post receiving passage, the contact positioned about the circumference of the post receiving passage wherein the contact will make an electrical engagement with a cylindrical terminal post inserted into a portion of the post receiving passage which contains the contact, the contact being electrically connected to a wire receiving member, the contact will make an electrical engagement with the terminal post inserted into the post receiving passage such that the wire receiving member can be orientated at any position about the circumference of the terminal post; and a locking release member slidably mounted to the housing body, the locking release member being moveable between a first position and a second position, the locking release member cooperating with a locking spring member, the locking spring member having a locking section which is configured to cooperate with a recess of the terminal post when the locking release member is in the first position, characterized by a secondary locking member to prevent the unwanted disengagement of the connector from the terminal post, the secondary locking member being moveable between a first position and a second position, wherein the locking release member has a slot into which the secondary locking member is positioned, and wherein a stop member of the secondary locking member is positioned below the locking release member when the secondary locking member is in the first position, the stop member is positioned between the locking release member and a back wall of the housing body when the secondary locking member is in the second position, wherein when the secondary locking member is in the second position the locking release member is prevented from being depressed toward the back wall, preventing the removal of the terminal post from the electrical connector.