HOMCOM A90-196 Instructions D'assemblage page 13

41.
Starting with the largest connector, feed
each of the three wires through the hole in
the center of hander bar bracket.
43.
Insert screws and finger tighten.
45.
Connect each of the three wires from bike
to the control panel. Either of the 2 small
female connectors can connect to either of
the 2 small male connectors.
42.
Place control panel onto the handle bar
bracket.
44.
Tighten screws with included large hex
key/screwdriver tool.