Those wires that are on the valve cover goes to the computer area. Not sure what you mean by motor harness....i mustve eliminated my pw locks...not even sure if they even workedIf for the computor harness, no. If for the main engine harness, keep it.
So far the only wires i have left is:
disty
Starter
Alt
The couple sensors by water pump
A small group to the trans area
Some at the blower