Yes, if you were to delete the yellow/ red wire and follow everything else that is a stripped down harness setup for kill switch only (black/ white & black). You can also remove the lighing coil from the stator if you wish to do so.
This diagram is for an 88-02 harness. An 03-06 is just slightly different.
This diagram is for an 88-02 harness. An 03-06 is just slightly different.