Corsica V6-191 3.1L (1990)
Shift Light: Testing and Inspection
Chart C-8C
Chart C-8C Wiring Diagram
CIRCUIT DESCRIPTION:
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 CKT 456. The ECM uses information from the following inputs to control the shift light.
