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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Align the tabs (8) on the new wiring harness U-channel with the solenoid retainer slots for solenoids E (3) and D (2) on the control valve assembly. Install the solenoid retainers (14) for the E (3) and D (4) solenoids.
    Fig 1: Wiring Harness U-Channel
    GM1364373Courtesy of GENERAL MOTORS CORP.
  2. IMPORTANT: The internal wiring harness connectors (7), (9)-(13), and (15) should be in the correct position for installation because of their pre-assembled position in the U-channel.
  3. Attach the internal wiring harness connectors to solenoids A through F and to the TFP switch.
    • Connector (13) goes to solenoid (6).
    • Connector (12) goes to solenoid (4).
    • Connector (7) goes to solenoid (5).
    • Connector (10) goes to solenoid (2).
    • Connector (11) goes to solenoid (3).
    • Connector (9) goes to solenoid (1).
    • Connector (15) goes to solenoid (16)
  4. Fig 2: Pushing The Main Transmission Connector Outward Through Hole In The Transmission Case
    GM1364395Courtesy of GENERAL MOTORS CORP.
  5. Push the main transmission connector (2) outward through hole (1) in the transmission case until the retaining feet on the connector are near the locked position.
  6. Use J 44247  to seat the retaining feet on transmission connector (1).
    Fig 3: Seating The Retaining Feet On Transmission Connector
    GM1364397Courtesy of GENERAL MOTORS CORP.
  7. Install the oil pan and transmission internal oil filter. Refer to Oil Pan Replacement .
  8. Connect the external wiring harness to the main transmission connector.