Apple iMac G5, 20-inch - Manual (Page 39)

iMac G5 (20-inch) Take Apart - Inverter
6. Lower the cable cover, pressing down steadily until the tabs lock the cover into place.
7. Important: Be careful of the DIMM memory latches; they are very delicate. Carefully
slide the inverter into place without applying pressure on the DIMM latches. Press in
the latches on the memory slots in and route the black inverter cable along the side of
the hard drive. Using a needlenose pliers, connect the black inverter connector
(circled) to the connector under the gray fan duct. Note: The connector is keyed so it
can plug in only one way; the teeth on the connector face up. Tuck the remaining black
cables under the board (shown by the arrows).