There are two varieties of three button switches. Some have the performance/touring suspension and some have the performance/normal shift.
So I'll leave that one alone for now. It should be included in the 5-button anyway.
The performance/touring suspension (SPDT switch):
Light green - Touring pole on the switch
Brown/white - Performance pole on the switch
Dark Green - Performance LED
Pink - Touring LED
Performance/Normal shift (DPDT switch):
Black No. 1 - Input to common pole 1 on switch (returns thru 348 ohm resistor and light blue wire OR nothing)
Black No. 2 - Input to common pole 2 on switch and illumination bulb (returns thru performance LED OR touring LED, common 470 ohm resistor and brown wire)
Light Blue - 348 ohm resistor in performance selected mode
Brown - Through 470 ohm resistor to both LEDs
Traction control switch (SPST momentary, normally open):
Gray - Through diode to illumination bulb
Purple/White - To traction on LED
Brown/White - To switch
Black/White - To traction control switch AND traction LED through 470 ohm resistor AND to Touring/Performance LEDs AND common pole on the Touring/performance switch.