A wire harness tray assembly comprising a first tray base comprising a first plurality of wire egress openings, a wire connector feature, an engine mount feature configured to removably engage a fastener, a first tray cover comprising a connector mounting clip, a second plurality of wire egress openings, where each of the second plurality of wire egress openings corresponds to the first plurality of wire egress openings, wherein the first tray base couples with the first tray cover.