Lampu reverse tak nyala? Replace reverse switch for Proton Saga LMST

I notice the reverse light & reverse sensor is not functioning, check all fuses are ok. So I check the reverse switch confirm rosak.

Part : https://shopee.com.my/ORIGINAL-OEM-Reverse-Switch-Proton-Saga-Wira-Iswara-Lampu-Gear-Box-Suis-Socket-Waser-Socket-i.976042727.22658932859