If your connectors are OK, find the start button wires and ohm them to ground.
From the wiring diagram, 2 blk/red (BR) wires come from the switch itself to pins 11 & 12. Pin 11 should be wht/red (WR) and pin 12 should be grn/red (GR).
PM me with your email and I will send you color, fairly scalable copies of the schematic and schematic key.
