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Home >> Mercury >> 1994 >> Tracer L4-116 1.9L SOHC >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Actuators and Solenoids - Transmission and Drivetrain >> Actuators and Solenoids - A/T >> Shift Solenoid >> Description and Operation

Shift Solenoid: Description and Operation

OPERATION
The powertrain control module provides a path to ground to illuminate the upshift indicator lamp. When the transaxle is in top gear, the backup/upshift switch contacts open, disabling upshift indicator.
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