GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Geo 🢒 1997 🢒 Prizm 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 3 Speed-MB3 🢒 Shift Lock Control Solenoid Replacement

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative (-) battery cable.
  2. Remove the center console. Refer to Console Replacement in Instrument Panel, Gauges and Console.

    3. Object Number: 242929 Size: SH
  3. Remove the following from the shift indicator:
    4. • The manual selector illumination lamp (1) from the shift indicator (2)
    • The 4 screws
    • The shift indicator (2)
  4. Reposition the shift indicator to gain access to the shift lock solenoid and the shift lock switch assembly.

    5. Object Number: 242930 Size: SH
  5. Remove the shift lock solenoid and the shift lock switch electrical connectors (2,3) from shift lock solenoid and shift lock switch assembly.

    6. Object Number: 242932 Size: SH
  6. Remove the 2 screws and the shift lock solenoid (2) and shift lock switch assembly (1) from the manual selector.

Installation Procedure

    Object Number: 242932 Size: SH
  1. Install the shift lock solenoid (2) and shift lock switch assembly to manual selector (1). Secure with 2 screws.

    2. Important: Upon completion of the shift lock solenoid and the shift lock switch assembly installation, perform the following steps to ensure the proper operation:

       • Temporarily install the negative (-) battery cable.
       • When the ignition switch is turned to LOCK, solenoid is NOT energized.
       • When ignition switch is turned to ON, and the brake pedal is not depressed, the solenoid is NOT energized.
       • When ignition switch is turned to ON, and the brake pedal is depressed , the solenoid is energized.
       • Remove negative (-) battery cable.


    Object Number: 242930 Size: SH
  2. Install the shift lock solenoid and shift lock switch electrical connectors (2,3) to shift lock solenoid and shift lock switch assembly.
  3. Reposition the shift indicator to its original position.
  4. Install the 4 screws to the shift indicator.

    5. Object Number: 242929 Size: SH
  5. Install the manual selector illumination lamp (1) into the shift indicator (2).
  6. Install the center console. Refer to Console Replacement in Instrument Panel, Gauges and Console.
  7. Connect the negative (-) battery cable.