106 Gti Cinversion -keypad Wiring

[DJ2003]

Hi i own a 106 quiksilver which has currently had an engine conversion to a 106 gti engine all in and plugged in only problemm is new engine came with a key pad to go in centre console with four digit code and also a ecu box for imobiliser so i have changed that was behind fuse box behind glove box but does my car have the loom hidden away for the keypad because my car never had a keypad init till i recieved this with my conversion kit please help if you can ?!:)
Do i need that unit at all is it coded to engine ecu ?
and how can i fit the key pad to my car ?

Thanks