Shift Light: Testing and Inspection

Fig. 049 Chart C-8B Shift Light:

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.