ok, update, I have checked the wiring of the connectors, they are consistent with each other.
looking down at the connector face that makes contact with the female connector, you can see the Y shape of the pin arrangement. The black and white wire goes to the bottom pin, the yellow wire goes to the top right pin and the solid black wire goes to the top left pin.
I used the solid black wire to connect my grips to, following some of the earlier posting.
I need to confirm the actual correct pin on the connector to use....