Overdrive Switch System

1. Disconnect the Overdrive switch connector.
2. Place the overdrive switch in the ON (overdrive operating) position and check for continuity between the white and red wires.

CONTINUITY
Should exist

3. Place the overdrive switch in the OFF (overdrive not operating) position and check for continuity between the white and yellow wires.

CONTINUITY
Should exist

4. If continuity does not exist, replace the overdrive switch.