Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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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.