Transmission Controls Manual

All manual transmission vehicles have a shift light on the instrument panel. This light indicates the best shift point for maximum fuel economy. The control module controls the light. The control module turns on the light by grounding the shift light control circuit.

Transmission Controls Overview

For diagnosis and repair of the 4L60-E Transmission, refer to Automatic Transmission.

For general description and diagnosis of the Manual Transmission Shift Light, refer to Manual Transmission Shift Light .