That with brown switch saves space and still stays easy to identify at a glance.
BRK2505 Breakaway Switch Kit Used for Blue Ox Patriot Tow Bar Supplemental Br…
What stands out about this part is how the 4RD00779404 model is easy to find in the manual too.
A nice touch is the small inset showing model 1-1618002-8 beside the wiring diagram on the packaging.