Mount the 4x bed corners to the bed plate using 8x M3x8 BHCS and M3 washers as shown making sure you just secure them finger tight, don't squish the bed corners.
The side of the bed plate with the two recessed holes is the top mounting surface.
Fasten the belt mount to the bottom of the bed plate using 3x M3x8 BHCS and M3 washers as shown.
You can use the bed plate holder if needed.
Attach the wiper mount to the bed plate using 2x M3x8 BHCS, M3 washers as shown.
Add the male cable guide connector using 2x M3x6 flat head screws as shown.
Connect the bed harness to the cable tracks connector. Reference pictures for orientation.
Secure black ground lug to bed with 1x M3x8 steel bolt and star washer. Make sure the star washer is under the ground lug and touching the bed.
Attach nyloc nut to secure ground lug to bed.