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Home >> Cadillac >> 2017 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Control Wiring Harness Replacement (M5U) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install automatic transmission control wiring harness (4).
    Fig 1: Transmission Control Wiring Harness Connectors
    GM3816771Courtesy of GENERAL MOTORS COMPANY
  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. Install the transmission fluid filter (4). Refer to Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement (Rear Wheel Drive)  and Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement (All Wheel Drive) .
    Fig 2: Transmission Fluid Filter
    GM3794350Courtesy of GENERAL MOTORS COMPANY