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Home >> GMC >> 2017 >> Canyon SL >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Trailer Brake Control System >> Repair Instructions >> Wiring Harness Connector Replacement - Trailer Brake >> Installation Procedure
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Installation Procedure

  1. Thoroughly clean the wiring harness electrical connector of corrosion.
  2. Using a small brush, apply commercially available dielectric grease to the interior of the wiring harness electrical connector and connector terminal pins.
  3. Fig 1: Wiring Harness Connector
    GM4109390Courtesy of GENERAL MOTORS COMPANY
  4. Install Wiring Harness Connector (1)
  5. Fig 2: Wiring Harness Connector Retainers
    GM4109387Courtesy of GENERAL MOTORS COMPANY
  6. Engage Retainer (1).
  7. Connect the wiring harness connector electrical connector.