Citation II L4-151 2.5L VIN R TBI (1984)
Fig. 050 - Wiring Diagram for Chart C-8B Shift Light. VIN 0, VIN 2, VIN R
CHART C-8B, SHIFT LIGHT
The shift light indicates the best transmission shift point for maximum fuel economy. The light is controlled by the ECM and is turned on by
grounding terminal 19, CKT 422.