Place the logic board flat on a table with the gold ground contacts (shown in orange) facing up.

Using a pair of tweezers, insert the stripped ends of the battery leads into their respective holes.

Insert the black lead into the hole nearest the hold switch (shown in red).

Insert the red lead into the center hole.

Insert the white lead into the hole furthest from the hold switch.

To keep the leads in place, it may be helpful to first bend them 90 degrees, and then insert them into the holes.

To keep the leads in place, it may be helpful to first bend the battery leads into their final shape, then insert the stripped ends into the holes.