Scenario 1: whenever the hi beams are selected the relay will turn on.
85: Hi Beam wire that goes to ground when Hi beams are on
86: 12V fused
30: 12V fused
87: Acc. Lights

Scenario 2: whenever the hi beams are selected the relay will turn off and the normally closed contact on 87A will be selected.
85: Hi Beam wire that goes to ground when Hi beams are on
86: Ground
30: 12V fused
87A: Acc. lights