simply disconnect the wire feeding the main side light then. You might have to test which connections are which if the manufacturer of the angel eyes was too cheap to bother with labelling which red wire is which.

I expect the reds are separate feeds for each of the separate light units, and the blacks are all earths for them. Connect all the blacks to earth, and connect the reds individually until you find which lights come on for which wire. Then just connect the reds for the lights you want to work.

BTW. I hope they is blue culurd LED angel eyes. i saw sum on a car the uver day an thay was wel wikd. really matched the lexarse rear lights an all.