We measured the length of each lead.
Made a mark on the board and cut the wires to length.
We cut a hole (1 1/8 inch) in the board for the 9 pin plug.
All the wires will pull back thru this hole.
Below is a PDF of the wiring diagram that you can download, save and print as needed.
"Click here to download Trunk Wiring Schematic in PDF format."