New Underdash Wire Harness Question

I am in the process of swapping in a new engine wiring harness for Evans and an underdash harness I ordered from Year One. I have managed to match everything up pretty well including routing the necessary wires to the new fuse box for the AC/heater harness. However, one thing is stumping me. Both door jambs currently have to wire connectors but the new harness only has the male connector in the passenger side and the router connection through the connector behind the kick panel on the drivers side. The other wires appear to be routed through a relay under the dash that looks like to me from the wiring diagram in my manual is just for the buzzer.

My question is do I have to swap over the relay under the dash to tie into my new harness or can I go with the single connector setup on the new harness. It doesn’t appear to me that anything else is tied into that relay. Would appreciate any thoughts or recommendations.