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Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Trailer Brake Control System >> Repair Instructions >> Trailer Brake Control Relay Replacement (1500) >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Trailer Brake Control Relay
    GM2127559Courtesy of GENERAL MOTORS COMPANY
  1. If installing a new trailer brake control relay, hand start the 2 trailer brake control relay bolts.
  2. Position the trailer brake control relay to the frame bracket.
  3. Slide the trailer brake control relay (1) toward the left frame rail.
    4. Fig 2: Identifying Trailer Brake Control Relay Bolts
    GM2127555Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  4. Tighten the trailer brake control relay bolts (1) to 6 N.m (53 lb in).
  5. Connect the trailer brake control relay electrical connector.
  6. Install the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement .
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