cluster lights

Hello guys! I have a 1993 fox and the lights of the cluster I thinks is called warning lights don’t come out. Only check engine,low coolant and battery light come out In one of the photos is a connector that I don’t know what it do Sorry for my bad English

When you put the car in the on position should the ABS light go on? I have a suspicion that it is blown or unplugged . Winter is here in Sweden and I have had a couple of braking situation where I would expect the ABS to kick in but it didn't .As I understand the ABS light has a blinking...