The Apple 922-7161 is an OEM ambient light sensor cable assembly designed for iMac G5 20-inch models. This internal cable connects the front-mounted light sensor to the logic board, enabling automatic brightness adjustment and power management based on ambient lighting conditions. The cable features Apple's proprietary connector design and is constructed to withstand repeated installation cycles in desktop environments. Compatible exclusively with iMac G5 20" systems, this component is essential for full sensor functionality and proper display calibration in models where ambient light detection is integrated. Typical replacement scenarios include sensor malfunction, cable damage from disassembly, or system restoration projects. This refurbished unit has been tested and is guaranteed compatible and functional, available via quote.