I don't know if your connectors are labelled but thought this might help if they are, alternatively go to your motherboard makers website and get the manula that should help you.
Extended USB Module
This module bracket has two USB ports for more USB devices (USB port 3-4).
Pin Signal Pin Signal
1 +5V 2 +5V
3 P0- 4 P1-
5 P0+ 6 P1+
7 GND 8 GND
9 KEY 10 NC
1. Locate the JUSB1 header on the mainboard.
2. Plug the bracket cable onto the JUSB1 header.
3. In the system chassis, remove one of the expansion slot covers and install the extension bracket into the opening. Use the screw that held the slot cover to secure the extension bracket to the chassis.