Engine Speed Signal: At ECM, pin #54, blue wire with orange stripe (front ignition coil). Connect the green wire of the shift light here.
Vehicle Speed Signal: At ECM, pin #40 white wire with green stripe. Connect white wire of the shift light here (if dual mode light).
Ground: At ECM pin #73, black wire with green stripe. Connect the black wire of the shift light here.
Switched 12 Volts: At ECM, pin #52 yellow wire with green stripe.
