US4979544A - Universal wire harness form board assembly A form board assembly for fabricating wire harnesses of varying configurations has been developed. The form board assembly includes a board having an array of routing pins mounted to the board for..Cited by: 17Publish Year: 1988Author: William S. Swindlehurst Wiring Harness Form Board Continuity Tester Jan 25, 2018To help with this task, often a full wiring diagram, printed to scale, will be placed on a table, so that technicians can have a visual aid when building the harness. This is often called a “form board”. Here are two examples of wiring form boards. Technicians will then gather around the table each wiring a different connector.