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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Automatic Transmission - 8L90 (M5U) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Control Wiring Harness Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Transmission Control Wiring Harness And Connectors
    GM3816771Courtesy of GENERAL MOTORS COMPANY
  1. Install automatic transmission control wiring harness (4).
  2. Connect the wiring harness clips to the valve body and case.
  3. Connect the transmission control wiring harness connectors, ensure the valve body connector retainer is latched (3).
  4. Fig 2: Transmission Fluid Pan, Filter, Filter Seal, Gasket And Bolts (With Tightening Sequence)
    GM3794350Courtesy of GENERAL MOTORS COMPANY
  5. Install the transmission fluid filter (4). Refer to Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement .